How to grow Greenhouse Tomatoes

How to grow Greenhouse Tomatoes

After sowing tomato seeds, pricking the seedlings out, and growing the plants on, it’s now time to plant in the greenhouse. In cooler climates, or places that suffer Blight, it’s better to grow tomatoes under cover.

In this video I share my tips on growing tomatoes in the greenhouse including how to plant them, training them to grow up a string, and how I use clay pots, called Ollas, as self-waterers.

Along with growing my tomatoes in a long planter using organic compost and composted manure, I’m also growing two in a conventional grow-bag. Over the summer we’ll be comparing how the tomato plants do and any differences between the two growing mediums.

Questions for you:
1. Are you growing tomatoes this year? If so, what’s your set-up like?
2. Have you ever tried using an Olla before?

See the other videos in the tomato growing series:

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Written by Aleksandar

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  1. Great video. I just built a greenhouse and added some tomato plants. They look terrible. I suspect I was watering too liberally on the leaves themselves and caused fungi or something? They're curled up and browning. I'm watering every 2nd or 3rd day depending on how hot the day gets. thoughts? Thanks for any suggestions. (by contrast, my bell peppers and jalapenos are doing great).

  2. Wonderful! Splendid! I have arranged my greenhouse in your manner, but put the boards on kind of tables, should I make holes in the bottom boards? The boards are 20 cm deep, I mean the tomatoes will have 20 cm deep of compost and manure,should that be enough? On the floor of the greenhouse I poured concrete. Thank you so much!

  3. Absolute superb video with some great ideas, at the moment my tomatoes have just germinated and been pricked out. I will be putting mine in PB bags

  4. Maybe a silly question but do you also water the tomatoes in the beds and the olla is a back up or is the olla the sole water source and you just make sure that its topped up regularly?

  5. I have been using the quadgrow self watering system for the last couple of seasons & found it to be really good. You will like the Sungold very sweet cherry toms.

  6. the stems on my tomatoes expand a fair amount, so instead of tying the string to the base i just make a large knot on the end and place it under the root ball making a "U-shape".

  7. So glad you ordered the sun gold. You will love them. I grow one sungold, one sweet 100 and one yellow pear all together on a teepee. They look so beautiful growing together and so fun to eat together, all different colors. I don't know how you did it but you did a super job cleaning the stains off that glass and floor of the greenhouse!!

  8. There are a number of blight resistant varieties of outdoor tomatoes available in the UK. Crimson Crush being a very popular variety. Cherry tomatoes grow fantastically well outdoors and are less likely to be affected by blight, as they’re quick to mature. I’m growing a number of varieties outdoors here in Scotland this year and next year I have my eye on lots of short season heirloom varieties. Great video as always. Hope you’re well and enjoying the warmer weather 😊🌱

  9. Hmmmm….. With that string idea, I am going to modify the supports I put in my tomato planters! Thank you!
    Growing outside…. Yes I had tomato seed sprout, grow a plant, and even got green tomatoes off it in the garden last year! And I live in Newfoundland!!!!
    Against a south facing wall or in a built sun trap is a good idea to try. A sun trap is a curved wall with the inside of the curve facing toward the midday sun.

  10. When we have our polytunnel finally erected and covered I intend to grow my tomatoes like this, in raised beds in the greenhouse. Thank you for sharing your video… I can't wait to make my terracotta self watering pots 😊

  11. Wow, a plastic pot cover that was actually made in England… Not in China? Maybe that's only a US phenomenon… Trading… Who can know the ins and outs except maybe those in the NWO.

  12. nice to see the tomatoes came back strong…those grow bags are different from the ones i've seen…i once grew pumpkins in a bag of potting soil (because i didn't have an established garden) and they came out beautiful…enjoy the beautiful weather…

  13. How is that bag deep enough to support the roots a tomato has to have and the support tomatoes need because their tops get so high and heavy? That sunny wall should work like a charm as I've seen others do that, have other plants die nearby from the cold, but actually overwinter the ones on the wall side.

  14. enjoyed your video I am glad you were able to safe your tomatoe plants that would of been a shame to lose out on all your hard work and thank you for all your tips as well well take care and god bless

  15. Hi Tanja, thank you for this wonderful video. I did have problems too with my tomatoes. Finally I bought tomato plants and planted them in my greenhouse. Now we'll wait and see what the year will give. But never give up.

  16. Hi I live in the states I'm originally from New Jersey the home of the famous "Jersey" tomatoes, I moved to upstate NY about 10 years ago and have been trying to grow tomatoes ever since. There is a 10 degree difference in the weather even though it's only a state away. Most times I can get a plant to grow around 6 or so tomatoes that's it all season unless they are the cherry variety.
    My dad used to grow as many as 75 plants at a time we had tons of tomatoes and there is nothing that can compare to a sweet Jersey tomato! Which I so easily took for granted until I moved. They love heat and humidity. Good luck with your tomatoes, I would definitely grow them along that wall they will love that.


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