Hardening off: Transitioning plants from indoors or the greenhouse to the garden
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- เผยแพร่เมื่อ 25 ส.ค. 2024
- Planting out those carefully grown seedlings or young plants is a big moment. It's the culmination of those months of hard work nurturing and growing and protecting your seedlings. But planting them out too early could kill them. So it's important to take the time to get them used to the new outdoor environment.
'Hardening off' is when we slowly get indoor-sown or greenhouse-sown young plants accustomed to the outdoors. We do this in stages to make sure the transition is stress-free, doesn't damage the plants and doesn't stall growth.
there are different methods to do this, so in this video, I show you mine.
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In Oslo, Norway, my tomatoes are out all day and night now, no more carrying huge and heavy bush tomatoes in and out. What a relief. They took quite well to the hardening off, haven't seen any sunburn. The alpine strawberries not so much, lots of dead leaves, but new ones are coming and they have all summer to grow into strong plants that will give fruit next year.
Oh fabby that new ones are coming
Phew!
Great video of hardening off basics. You're a good gardening mum to let your babies leave their shelter for real life outside.
Careful careful 😀
So interesting to see the different gardens go thru these phases. I’m in Tx, zone 8a, and my seedlings have been in their forever homes for about a month now. We already have some strawberries, tomatoes, peppers, and peas that we’ve been able to harvest, and the potatoes seem to be just about done forming. I’ve been in shorts and t-shirts for a month here as well (temps have been in the 90’s F already) so seeing u still in ur sweatshirt is def showing me that all gardens and locations r very different. We had a huge rain storm that brought golf ball size hail last week, but the garden seemed to sail thru it with only a little bit of damage to the corn leaves. They’re a bit tattered as well as the hollyhock leaves, but it looks like they’re going to survive it. Phew! Hope ur seedlings do well in the hardening off process, and settle in well to their forever homes! Happy gardening! 💐
Oh yeah
Very different here, my pepper seedlings are only 4 inches tall
Things like peppers and tomatoes can’t go out in my garden until June and we won’t get tomatoes to harvest until late July 😍
Great advice and tips Eli. So many people skip this and wonder why things go wrong
I think we’re all guilty of it at some time Tony, but we learn from these little mistakes 😂
It's a bit cold and rainy here, too. But warm nights are coming this week. Time to get the maters and peppers planted!
hurrah for warm nights coming
You're such a natural at teaching. The way you approach things brings such a clear, calm and fun energy. I'm sure those who've been afraid of the hardening off process will feel much better after watching this. Thank you, Eli!
Awww that’s fab to hear Liz
Thank you
Fingers crossed for your bumper harvests
We in northern Nova Scotia have a frost warning for tonight so hopefully it won't kill everything in sight and I have my new blueberry plants and other things under cover. We enjoy your videos!
Keeping my fingers crossed for you Karen 😍
Wonderfully reassuring and nurturing instructional video, m’dear! Well done!
Glad you’ve enjoyed it Sue
Ah thank you so much for this. My little babies will have another week before they venture out I think! Perfect timing, you are so comforting to watch and listen to. I bought your recommended sharpening tool last year, it's done a perfect job. Have a lovely week. 😊🌱🌷
Wooohooo for well kept tools 😍
The way you teach is perfect. You explain in a way that anyone will understand. Thanks!
Awwww thanks
Glad you’re finding it helpful
By the way. Happy Mothers day, from your plant babies
😍😍😍😍
Great video, Eli! See ya next time!
See ya then Brad
Great video. I'm currently in this process. Happy gardening. TFS 🌱🥰👍
Fingers crossed for a quick successful one
Perfect timing on this video! This has been a very successful springtime sowing for me. So much came up and survived thus far. Thankfully once it all comes out I have plenty of room for it all. For the first time in many years, I can grow things because I find them beautiful, not just because it's useful. Flowers will be going out and I'll be getting roses and even berries this year. I can hardly wait! Currently filling and prepping my growing spaces with home-grown compost and topping it off with some bought compost too. I'll be sowing in place outside the coming week too. So much to do!
Sounds like you have it sorted though
It’s gonna be awesome 😍
Our languid spring is OVER! We expect 32degreesC today. The greenhouse efforts are to save all happy seedlings from frying in their trays. They also risk dying in the sun so hardening off works a bit different here. I'm parking the trays in the shady spots and saying a nurturing prayer that they'll still be alive when I get to putting them into their forever soil homes, South central BC.....summer is here. I shall rejoice with a trowel in hand digging holes at warp speed.
Yikes
We were basking in what we call a scorcher… 18c 😂😂😂😂😂
You were waving your arms around sitting in that chair and I was really anxious you were going to knock your plants off with your elbows! :) I started putting my plants out today so great timing on the video, cheers!
Almost like you know how clumsy I can be 😂
Great video, learning so much from you. Thanks for sharing.
Good to hear Sheila
What’s next in your adventure then?
Ahhhh, the green babies are off to uni! Hopefully they don't get into the wrong crowd, grow bigger, strengthen slowly, and by graduation, they will be productive members of the garden. Sob! So hard to let go.
😂😂😂
Oh don’t
I’ll not be able to keep a straight face tomorrow at work
@@eliandkate If anyone acts up, just top 'em a little. Make them branch out and grow stronger!🤣
Great video 👍👍
Glad you enjoyed it Ann 😍
Thanks I just potted up some plants the last three days
Awesome…. Bring on the gardening 😍
My hardening off is quite the challenge this year. We went below freezing on Sunday night, and we are dipping below freezing again tonight. We go from 80s for 5 days to freezing 🥶 for 3 days a week.
Maybe this year you need to wait a little longer before starting the process? Last thing you want to do is rush through it and then have those temps dip when your plants are out
I've always had trouble with leaf burn during this process until this year. One thing that I learned is temperature is key to my success. I failed with some plants earlier this year when I had my plants outside in an early spring because they out grew my grow box. I had them hardened off and looking great, but then an artic blast came and started decreasing the temperature way low before I could bring my plants back inside for the night. Once I got my plants back inside, I was saddened by the fact that the temperature change was drastic to the plants which caused them to be shocked so hard it actually killed my tomato plants.
My theory is, if you can change your plants to the outdoors in the same temperature range, then it won't be as harsh on the plants and they will have less shock to them. Same as actually putting your plants in the ground. Check your soil temperatures. A couple degrees aren't going to affect them much, but 10 degrees in either direction might mean the difference between a surviving and thriving plant, vs having to start all over like I did this year. Hope this helps at least 1 person. If so, then my job was done. Happy Gardening.
Absolutely
You don’t want to be hardening your plants off until your cold snaps have passed and it’s safe to plant them out
@@eliandkate Yep, I definitely jumped the gun on getting my plants started. Fortunately, here in my zone we have a Long growing period.
Here in British Columbia, we went from cold spring to heatwave in the space of a week. We could hardly get them from the greenhouse into the ground fast enough. We had to put some shade over some.
It’s much much slower for us. We’ll be into June before it’s above 10c at night
This video was like a nice causy discussion with a gardener friend! Nice job with the sounds capture and your backyard is awesomely beautiful! Thank you Eli and Kate!
Awww glad you enjoyed it Jean 😍
Really informative and useful information. You're very good at explaining to new gardeners. Thanks.
Thanks JJ hope it helps
Thank you!
Hopefully it’ll help get you sorted 😍😍😍
I’m starting to harden off my tomatoes now. Last year I didn’t as I was going on holiday and just whacked them out and they got sunburnt. Recovered but took a while.
Fingers crossed for this year
Very useful video for my first season hardening off plants. I will feel much more confident that I am doing the right thing to give them the best chance at a good life!! Your apple tree's are looking beautiful btw
I love those apple trees sooooo much 😍
Over here in my part of Ireland its going to be cold at 4am to after 6am. Like 4 degrees Celcius, so some of my bits are being popped back under a bit of cover.
Good plan
We all have different weather and temps so we do things at our own pace 😍
Great informative video, thanks Eli 👍
😍👏😍👏
Even though I put plants out in cold frames for a week or so when I plant out in the ground I use scaffolding net raised with poles for about 7 to 10 days. Absolutely right to protect from wind and sun. Slowly does it. This way it doesn’t shock them 🤩
Exactly Margaret 😍
Very interesting video. Can I ask you where you got those large trays you had your pots in please. Thank you
. 💐🌹👍
Hey Ray
Those are the bottoms of my propagators
Check the link on our website (from video description) and you can have a nosey
Might be something similar in your local garden store
Suggestion: Dig up a strip of lawn so you can grow a lot more veg? Big movement against lawns (r/nolawns). Show us if nodig works, could be the next project ?
Nope
We have a lawn because we want a lawn.
Yes the hardening off is tricky and I worry about the little darlings on their first day at school. It's the slugs and slimy snails partying and cheering and shouting "dinner's here guys! Tuck in!"
That really annoys me!!!
Nooooo don’t mention the S word!
I got my baby tomatoes hardened off, then......a heat dome hot and two of them just didn't make it, too fast evaporation. 😣 So thankfully I still have a few wee little ones just starting to get the true leaves. Now to watch those like a hawk.
Last year, no temperature above 10 °C, this year+30° or more instantaneously.
How do we plan for chaotic weather like this? 😅
Even my pepper was heat stressed, of you can believe that. 😲
Keep track of those weather patterns in your journal, it comes in so handy.
You’ll just need to keep an eye on things and remember to give the plants shade from the sun and heat if it is needed
I used to NOT harden off and then wonder why my plants looked sun scalded or turned dark...I do harden off now and do it probably for 2 weeks.
It’s one of those things you don’t value until you’ve had a problem
Fabulous video full great information ....
I'm so scared of putting my Tomatoes out ... yours are huge ...compared to mine but mine do look healthy still 😍😍😊😊🌻🌻🌻🌷🌷🌷
Healthy is key Caroline
Size is just time 😂
@@eliandkate 🤣🤩🤣🙏🙏🙏🤞🤞🤞
What if it starts raining while they're out? Can you let them harden off in the rain?! This is my first spring to successfully have germinated plants . I'm delighted! So it's my first time learning how to harden them off ok too
I’d be wary of heavy rain but a little rain will be fine
Uh oh, I put all mine out yesterday and have just left them there! Should I go bring them all back inside? They're in a sheltered spot and it's been cloudy all day with a few sunny patches.
eek!
Keep an eye on them.... just watch for any signs they aren't happy... and keep an eye on the weather😬
Out of all the sunflowers I planted only one has survived, they were in the greenhouse and never even made it outside
Booooooo
I feel for you
Last year mine made it to the outdoors then the slugs ate them!
I got mine nearly all the way hardened off - then we got over a week of cooler weather & heavy rain, so I’ve kept them in. Do I have to start over?! 😢 there are two sunny days in the forecast this week I’m planning to put them out, and my goal is to plant them next weekend where the forecast looks great.
If you’ve got plans to plant next week then you’ve got this week to get them going again 😍
Start slow again but you’re plants will adjust fast
HELP !! I’ve very little success with my seeds. I planted about 36 sweet pea seeds of which only 12 have germinated ( one of which I don’t even think is a sweet peas). Only 8 of the 14 sunflower seeds have come through and none of the courgettes and carrots have germinated. I seeded some flowers a couple of weeks ago and again nothing !! 😢😢
you might need to be a bit more specific :D
what do you think the problem is that you need hep with?
Sounds like you are having success with the sunflowers at least... what did you do differently with the others?
@@eliandkate the compost I used is from Lidl. For the carrots, courgettes and sweet pea I just used it straight out the bag. The sunflowers and the other flowers I sieved it and added perlite but only the sunflowers germinated.
Did you give everything enough water and heat etc?
There are lots of things that could stop the germination rates you expect, but usually it’s not enough moisture and heat
@@eliandkate they’ve all been on my greenhouse which is warm and given water when the soil has been dry.
I can only guess given I can’t see what’s going on but it does sound like there’s been some sort of mistake along the way
Maybe not the right amount of heat those particular seeds needed or not enough moisture, planted too deep etc
Might be one for a wee experiment to see how different factors change the outcome
The biggest threat to my tomatoes are snails and slugs