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Summer sweet pea care - lots of tips for the best sweet peas
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- เผยแพร่เมื่อ 29 ก.ค. 2019
- Roger shows us how he looks after his sweet peas to keep them healthy through summer, and to encourage flowering right through until the early autumn.
The video shows covers
water effectively,
feeding,
dead heading,
disease control (sweet pea powdery mildew)
and other tips for a successful summer of fragrant sweet pea flowers
A beautiful arrangement I saw last summer was an old Holly Bush about 4-5 feet tall maybe a foot wide. My yard has these darned hollies so I was happy to see this arrangement. I found about a dozen sweet pea bushes growing on a public hill side a block from my house so I dug up a few plants for planting at the base of my holly. I kept it watered but it died only to pop up this spring and are climbing up the Holly which is sturdy enough to support a massive vine if it will keep going near the west side of the house. I do so hope my companion plants turn out as well as the specimen I saw last year. TY for your work. I do have powdery mildew in the Roanoke Valley but I’ll be on the lookout for this problem.
Hi Fern, thanks for your comment, sounds like a great plan, I am guessing the sweet peas you have transplanted to your yard must be perennial plants - unlike the ones in our video which are just annuals - I do hope it all works out well with your plan - please keep us posted - thanks, enjoy your garden!
Hi Roger, well thats the summer past and I’m pleased to say I really enjoyed growing my sweet peas. I took your advice and held on the water and fed them with Tomorite every 2 weeks and what a difference that made they are still flowering. I am up in North East Scotland. I never realised the sweet peas in the planter would need so much water. The ones in the ground came much better than the ones in the planter.
I am going to grow my own sweet peas from seed this year. I am going to plant some in October and some in February. Thanks for all your help Roger. You’ve got me hooked. Donald
Ah Donald, that's made my day! thanks for letting me know - lets hope we have an even better year next year in every way!
Brilliant videos Roger very informative. Keep up the good work
Many thanks Donald , have a good weekend in your garden!
Hi Roger.
Its so good to see that someone responds to questions even though your video is from a while ago. I think I have found the answer to my question just by going through the answers you've given other people. I have a Sweetpea grown from seed in a large tub/planter along with a Jasmine to complement each other, both being climbers. Also in the tub is viola and pretty maid. The tub is against the front wall of my bungalow which is more or less east facing. I have wire sheeting, what you could call chicken wire but with square holes, going up the wall in order to help the climbing process. The Sweetpea has grown quickly but it seems that its shedding flowers very soon after blooming. I think its to do with the lower leaves looking as if they're dying. Very pale green to yellow and worse. This seems to be happening very speedily. I keep the tub watered well and mostly use Baby Bio in the water. The Jasmine particularly grows well on it. I don't have the tub in a dish/saucer just yet, but working on it. Do you think its stressed for some reason ? Not enough root space ? A feeding problem ? Much appreciate a remedy please ? G.
Hi George - many thanks for your comment, and from what you describe it could be a fairly common problem with sweet peas ... I wonder did you notice that the flower stems were quite short too?
It sounds like a problem of competition for water and nutrients, which could have been exacerbated by the recent hot weather (are you in the UK?). So sweet peas seem to do well when the air is coolish and the soil damp .. put them in a pot with some stronger growing plants and they may struggle to compete.
Baby bio tends to better at for encouraging leaves not so much the flowers (assuming that is the original little brown bottle version?) A fertilizer high in potash such as Phostrogen, Tomato feed or grow sure slow release are usually high in potash - the other flowering plants will also benefit from the extra potash. Keep up with the watering daily if hot weather.
Bear in mind that because the sweet pea is an annual it is more likely to 'give up' than the jasmine which has more long term life in it - I assume the jasmine is a hardy variety to come back year after year?
A saucer underneath may help retain moisture ... here is a link to one of my earlier videos on sweet peas which talks about soil / fertilizer etc and the difference that they can make th-cam.com/video/Smj3PgA-KuQ/w-d-xo.html
Let me know what you think about my comments / question above .. I may have one more idea for you to consider ...
@@rogthegardener1 hi. My word. I didn't expect a reply just yet, but I was hoping for one soon so I can set about rescuing the plant. Ok. So there is the secondary stem coming from the main stem, then the ones the flowers are actually attached to. These are about half an inch long. I notice also the pods that the flowers have left behind are quite long at around one and a half inches. The planter measures h 1ft x w 1ft in hexagon shape. Slightly tapering to the bottom. I have got some Phostrogen I can use. I also have ordered some self watering spikes, so I could use one in this planter with a pre mixed feed added. Would that be a good idea ? Take out the Viola in the meantime ? Should I try to shield it from the sun as well ? It does get rather warm out there nowadays. I will take a look at what you've sent as a link. Could I ask if I can send a link to yourself of the sweet pea I had last year in what I call ' the chimney, ' please ? Regards. G
@@georgeprime2249 Hi George I would remove any seed pods after the flowers, 1 ft x 1 ft is a little small for all the plants you have, you could try cutting back the viola stems to about 1 inch they sometimes start again to flower autumn / winter. I would water and feed with a watering can, and use the watering spikes as as secondary source of water during the day, if you can keep the compost wet then full sun is best to encourage more flowers - are you down south or up north where it is cooler? if you want to send me a pic try emailing me on rogercrookes@lcsuk.net
Thanks
Roger
I snip the climbers off to promote blooming once they get a few feet tall, my sweet peas explode as long as I keep on top of that. You can pinch them with your fingers or if they’re grown out some they’re hard to pinch so you need a small ✂️. I pinch them as soon as they pop out and I can grab them. Saw that trick a few years ago when my 1st year only yielded a few flowers. If I get behind doing it they slow down blooms considerably.
Thanks for your comment and great tips - enjoy your garden!
Thank you! I will try all these. Love sweet peas but haven't had success with them. They dry out really quickly. I am zone 10.
Hi, thanks for your comment, when you say Zone 10 are you in the UK or the USA?
Certainly Sweet peas seem to do quite well here in south Wales when we get our coll wet weather weather and tend to get more stressed when it gets warmer and drier ...
@@rogthegardener1 I am in California.
@@midnitemoon577 California - it sounds the place of our dreams - all that sun!
Maybe the rain and coil weather we are blessed with over here suits sweet peas more!
Nice job. I learned some things!
Great - t hanks for your comment - enjoy your garden!
Lovely informative video, thank you!
thanks Roger. I am going to go and depod the peas now!
Great, that’s the way to do it!
Maybe a but if fertiliser would encourage more growth too?
Thanks for your comment, enjoy your garden
Hey Roger my next door neighbour planted from seed and grew in troughs from late May they have grown lush green thick stem super healthy yet no flowers I gave her bamboo to aid climbing they are approx 2.5 ft They were positioned in partial Sun where she wanted them by her front door I did think they would have preferred full Sun yet as you know we had a heatwave and then some ☀️my question is what do you advice I do.with them now being the 22 October as she has given them to me shall I bring them in and place in full daylight with warmth feed them and watch them flower or cut back
Thank you 💚
Hi Janie - thanks for this, just checking ... are you in the UK?
Late May is a little late for sowing / planting out sweet peas we usually plant ours out in early spring ... here are 3 factors to encourage more flowers
- Plenty of light
- Plenty of water
- High Potash fertilizer .. when I read that the sweet peas look lush and green it sounds like they may have received a higher nitrogen feed like Miracle grow which can sometimes encourage lots of lush leaf and stem but not so much flower - it may be worth checking what feed your neighbour has used .. it is getting late now to try and get them to flower, but if you can address all three of the above factors that is your best chance (in my experience) ...any body else got any suggestions?
Please let us know how you get on, thanks
Roger
@@rogthegardener1 Thank you for your quick reply with your knowledgable advice I will do my best for them indoors you say use a high potash fertiliser I will look at online with delivery purchasing as I am Isolating .
I do have and have used this Summer a Seaweed feed for the first time with awesome results for the Roses and Flower beds including Nasturtiums along with growing Vegetables , getting back to the Sweet peas I will keep in touch here , great .😀 Stay safe yes I am currently in the UK 💚
Would you please recommend a variety that's very fragrant and that would do well on a 3 foot chain link fence I would sure appreciate it thank you.
Hi Jerry, thanks for your question. When I first started growing sweet peas (at least 20 years ago!) I tried what is one of the best perfumed varieties ‘Matucana’ - it is a lovely scent but not very good for cutting as it has short stems, another good one which again can get shorter stems later in summer but I have found has long stems earlier in the year is ‘Painted Lady’. Another good one with long stems is 'Alan Titchmarsh' , I have usually mixed a few different varieties ... 'spencer mix' usually have great perfume and long stems.
3 foot is quite low for most Sweet Peas they will usually grow twice that height, but it should be fine - you can either pinch out the growth tips to encourage side shoots when they get to the top of the fence, or just tuck the longer shoots gently back down into the fence as they grow over the top ... does that make sense?
Hi Roger i fed my sweet peas a week ago with tomorite how often would I need to feed them?
Hi Donald - hope those sweet peas are doing well, maybe every 10 - 14 days would be good, some might recommend more frequently, but worth checking the label to see what they suggest - let us know when you start to get some flowers ....
@@rogthegardener1 will do Roger
Hi Roger got my first sweetpea flowers on the 19th of June.
I have Sublime scent mix,
Cupani, Anne Gregg ( Spencer type)
and cupid mix which only grows 30cm high so no need for a trellis.
The Anne Gregg has nice thick stems but are only white do you know of any coloured sweetpeas with strong stems and highly scented?
@@donaldmclean6455 Great to hear you have flowers! keep on 'deadheading' I will get back to you if can find out more info about the specific varieties - I am useless at keeping old packets etc !
Very informative video! Are most sweet peas annuals? It would be great to get some perennial ones to have them come up every year. I’m in the north east of Scotland.
Hi there - thanks for your comment ..from a beautiful part of the world. You can indeed get perennial sweet Peas, but in my experience they do not have the same perfume as the annual ones. If you are anywhere Inverness I am sure that team at Simpsons garden centre would be able to advise you - I have always found them very helpful ....
Hi Roger is there anything I can spray my sweetpeas with after I cut them to get rid of those little black bugs that u find in them?
Whats the highest you can get sweetpeas to grow mine are at 7feet and still growing?
Hi Donald, yes the little bugs and insects have been out in force since the hot weather!
I have just typed up an answer (see below) based on you spraying your plants, not the flowers, I have left that answer there in case it is of use to you or others!
However I now see that you asking about spraying the flowers after cutting ... I would not recommend spraying the flowers with anything. Funny enough my beloved asked me to give the latest bunch I brought into the house a good shake outside to get rid of the bugs, and that seemed to help ... I suppose by spraying the plants as described below will kill / prevent any bugs while they are on the plant which should in turn prevent any coming inside on your lovely cut flowers .. I think this is the longest answer I have given to a simple question!!?
I spray our sweet peas with an insecticide such as Provanto (Others available) which is systemic, which means that it stays in the plant longer and gives longer control of the little 'blighters'.
Please read the manufacturers instructions and stick to them as it is a 'poison' - such as
- spray late in the day when the sun is going down as there are less bees around (it also means I can jump straight into the shower afterwards in case I get any on me
- To avoid getting any on your self, do not spray in windy weather, if there is a light breeze make sure you are up-wind so that the spray is being blown away from you
- wear any PPE you can, such as gloves and a face mask as a minimum
- plants absorb insecticides better when the soil is moist, so might be worth giving them a drink a few hours before spraying
Hi Roger I planted some sweet pea seeds on the 15th of October in 7” pots. 3 seeds to a pot how high do you let them grow before pinching out the top shoot?
Some of mine are 4” high and the top leaves haven’t opened yet.
I had them growing on my garage windowsill till they were 2” high then I put them out into my cold frame thinking that would slow them down a bit.
Any advice? Donald.
Hi Donald - funny enough I have only ever grown them from autumn sown seeds once ... and that was by 'accident' last year! I kept them very cool, for the same reason you describe, I would probably put them out of the cold frame when it is not too cold (they can cope with a little ground frost in my experience) and pop them back under temporary minimum protection if we get air frost. I also kept them a little dryish so they did not put on too much soft growth, with good light so they do not get drawn up. I didn't pinch ours out until late winter (others might advise otherwise) so they were probably up to 8 - 10 inches high (I was working on the assumption that if they did get burnt by frost it would be the tips that would suffer and I wanted to leaver plenty of older stem below to pinch back to and grow from if the worse did happen ... does that make sense to you .. I am no expert on this ... but it worked for me (in a mild winter!)
Roger Crookes Thanks Roger I will go with that
Hello Rodger
I have heard that you can soak chives in boiling water and use as a deterrent spray for mildew on sweet peas. What do you think of this, have you ever tried it? Loved your video and you gave me some good tips that l didn't know about. Thank you
Hi Linda - thanks for your interesting comment, this is not something I Have tried, but according to the wonderful world of Google, some people say it can help .. I need to explore more of these natural remedies, sometimes it is about 'prevention rather than cure'? but we need to be using less environmentally damaging chemicals for sure?
Please let us know how you get on if you try it - OK?
Roger Crookes
I will be trying it and will let you know Roger. Thank you for your reply.
@@lindyloo81 Hi Linda, did the chive spray work at all for powdery mildew?
Hi Roger is it normal for the leaves at the bottom of the plant to turn yellow as it’s growing?
It is quite common, Donald, especially if the plants have been stressed (you can see some yellowing leaves on those plants on the video) ...possibly because of extreme weather conditions, so long as most of the plant still looks green and healthy and there is still new growth / shoots coming then all is well - hope that helps?
Great video. How do I grow sweet peas with longer flower stems.
Hi - thanks for your comment, a couple of factors to consider, there are some varieties which have been bred for particularly long stems - its worth looking for them. Also picking off flowers which are starting to go over, or just don't look so good, means that more of the plants energy can go into producing better flowers. My experience has also been that cooler / wetter weather in summer produces longer stems ... the further we go through the season the shorter them stems can become ... not much we can do about the weather, but feeding, watering and dead heading can all help ... good luck!
Thank you Roger for all your advice, Stuart
You don't use baking soda spray for your flowers? Works pretty good on the mildew.
Hi Emily, no we don't use this much here in the UK, but there is certainly more interest now in using more 'environmentally friendly' plant treatments, so I will look into this - many thanks for your comment!
What is the mix for this baking soda spray?
@@donaldmclean6455 1 table spoon to 1 gallon of water. I like to use rain water, but you can use regular water. No well water.
Thanks Emily
@@emilybryyson9562 Thanks I should give this a try
Hi Roger, I’m also trying to get rid of mildew and will spray it again with same suggested solution and hopefully it will work for me. I noticed also that the plant is fulled of tiny green bugs I believe are called “aphids” so for those just need a solution of soap (little drops) with water but just wondering which should I focus first, the baking soda solution to kill the mildew or the soap solution to kill the bugs, or maybe both I just don’t want to kill my beautiful sweet peas plant if I’m putting to much of these solutions at the same time. Can someone please provide any suggestions? Thanks!
Good question Janet - a couple of tips, I would attack whatever appeared first (the mildew?) and the next day spray against the aphids (actually the next evening - evening is the best time to spray to avoid leaf scorch in any sunshine) - let us know how you get on ...
Hi Roger if I use the baking soda solution on my sweet peas to kill the mildew do I spray it on or just use the watering can to put it on?
@@donaldmclean6455 I have never tried using it, to be honest so cannot advise ... I would suspect that a sprayer would be best, but best to look for a video on TH-cam ... please let us know how you get on - thanks
Hi Roger what do you use to get rid of mildew on your sweet peas
@@donaldmclean6455 I confess that I tend to use a 'chemical fungicide' - what is available can change from year to year as the rules quite understandably are becoming more strict; this year options such as Provanto Fungus Fighter Concentrate and / or Resolva Rose 3 in 1 may be available from local garden centres - please take care and go by the manufacturers instructions.
I only use them when absolutely necessary - I don't think I have sprayed any so far this year - hope this helps?
My buds are starting to dry up and fall off but the leaves are still good. What am I doing wrong?
Hmmm, are you in the UK? that hot weather we had last week could have stressed them .. are they growing in open ground / soil or in a tub / container?
@@rogthegardener1 I am in the UK and they are in tubs. I am watering in the evening and fertilising weekly with miracle grow. I don't have a drip feed and only a little mildew which I try to remove.
@@sharonlarter8336 I grow ours in open ground or very large raised beds so that they have a large root run volume and can suck up a large volume .. I have found growing them in pots tricky and how you describe your sweet peas is typical of plants growing in pots .. definitely worth putting the pots in saucers if you haven't already and maybe try some tomato feed rather than just miracle grow ... I always use high potash feeds (like tomato feed on my sweet peas), please keep us posted - good luck!
Hi Roger, I have just started growing sweet peas and need some advice I have watched a few of your tutorials but I still have a few questions which I hope u can answer. I bought my sweet pea plants from a garden centre. I separated the plants and planted them in miracle gro in pots to bring them on a bit then after 2 weeks I planted them in my garden and they are doing well. I planted 11 of the peas in a wooden planter 140cm long x 22cm wide x26cm depth in Levington multi purpose compost and they haven’t done well at all. I tried feeding them with miracle gro. Some of the plant leaves turned yellow so i gave them a week and held on the water but no improvement so I took some of them out and they had very poor root growth. I replaced them with other plants and gave them a feed with Tomorite and also sank some plastic bottles into compost so water would be going straight to roots. Is there anything else that I can try? Is the planter big enough? Is that a planter you had in your school garden video or was there no base to that wooden frame round your sweet peas?
Hi Donald, thanks for your comment and questions. The main point is that the more volume / depth of soil the better - your planter sounds quite good, better than some I have seen, ours in the school may be slightly larger (the bottom of our raised bed is open on Tarmac). I do not use Levingtons ...some folks like it, but I have basically found that Westlands multipurpose with added John innes has served me very well for over 10 years ...other brands may be available! Miracle gro is OK, but I tend to use a higher potash fertilizer to encourage more flowers e.g. tomato feed, or you can get granular slow release fertilizers which are high in Potash.
I usually find that growing sweet peas in open ground better than in any containers because of the extra rootr room and water reserve .. I also think that sweet peas like to be cool and damp so during a hot spring like we had in the UK ( I am assuming that you are in the UK?) they could get even more stressed if they are getting heated up in a pot or trough, where as in the ground their roots could be a little cooler / damper ... does that make sense?
Keep us posted .. and dont give up, it might have been a bad spring to try sweet peas for the first time?
Roger Crookes Thanks for the quick reply Roger. Yes I am in the UK and I will keep u posted. Im going to try your irrigation system. U speak about a slow release fertilser would fish blood and bone meal be along those lines? Would weed matting and stones on top of the compost be any use in keeping the compost cool?
@@donaldmclean6455 I don't use fish blood and bone much, I use grow-sure 6 month slow release fertilizer - possibly yes the mat and gravel could help .. but not sure that you can tell if the compost is dry because you cant see it .. maybe leave a couple of patches uncovered so you and gauge the need to water?
Teaspoon of bicarb of soda + 5 drops of liquid soap in a litre of water. Apply in a fine spray like an empty dettox bottle, as a fungicide??
Hi, thanks for your comment and suggestion…interesting thought re bicarbonate of soda and liquid soap… I have never tried it and am slightly cautious of making my own treatments in case I get the wrong concentration and do some damage … reading online I am seeing mixed reviews …. Have you tried using it?
@@rogthegardener1 I am using it now, does not seem to do any harm so far, but in this cold wet spring in the UK it is too early to tell if it works either!
@@user-nx8ii4ef7f … yes true, well please keep us posted with your progress, we are surely due a ‘heatwave’ soon ?!
How often are you fertilizing?
Hi thanks for your comment, I tend to use a slow release fertilizer (High Potash) in spring shortly after planting out the young plants this should last at least 4 months and after that I use a water on feed such Tomato feed or Phostrogen every couple of weeks - hope that helps?
Are the peas edible?
Hi Charles, thanks for your comment, no these are not for eating - they are just for their flowers and fragrance.
as you can seeheeheeheehee. 😂❤️
Thanks for your happy comment! enjoy your garden :-)
Um, ah, um, um, ah, um, um
Thanks for your comment - er I think I see what you mean ah mmm