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growing cucumbers

Oxfordshire, United Kingdom

Every year i try & grow cucumbers in my greenhouse & 2-3 of them always die can you give me any advice, i put them in big pots and ventilate the greenhouse well.

Charlotte, NC(Zone 7b)

You can grow seedless cucumbers in England in a greenhouse. Other cucumbers require pollination. Can you give us some indication as to what happens to them so we can answer your question? Having them in big pots could mean they get over-watered. How big are the pots? What type of growing medium do you use? Do they set flowers, but no cucumbers?

Oxfordshire, United Kingdom

I buy the plants from garden centres ,they do not require fertilisation according to the instructions. i plant them on into 10inch pots when they are purchased they don't grow at all

Madras, OR

I grow cucumbers in the greenhouse every year successfully. I do keep the doors open day time, so that bees and other pollinators can come and go. I plant them right into a raised bed and fertilize every 3 weeks with a dose of fish fertilizer and 0-10-10, to keep the bloom going and keep them growing well. I have wire trellises that they loop over and around, and we keep them picked. We make refrigerator dills in the late summer, and while it says they are good for only about 3 months, we are still eating the ones from last August and they are crisp and delicious

Augusta, GA(Zone 8a)

I am not a container gardener, but I cannot imagine a cucumber plant growing in a 10 inch pot.

Madras, OR

Yes, agree with Farmerdill, cucumbers in a pot would subject the roots to temperature extremes, moisture issues, etc. If you can plant them in soil or a bigger tube like a half barrel they might do better

Irving, TX(Zone 8a)

you will need to grow PARTHENOCARPIC varieties in your greenhouse (fruits can set without pollination).
The seeds are more expensive, but they produce a lot. I grow them here in TX because they seem to tolerate the heat stress so much better than a regular variety
Johhny's has a fantastic selection:
My favorite is CORINTO:

Charlotte, NC(Zone 7b)

Cucumbers do not like their roots disturbed. Before you purchase plants, be sure they are not root-bound. As others have said, try growing them in the ground in your greenhouse.

Better yet, grow them directly from seed. Give them plenty of support.

The "English Telegraph" cucumber does well grown in greenhouses - that's what we used to grow when I was a child. (I was born and raised in Cornwall, England.)

Or, you might find one from Thompson and Morgan that would do well in your area:

Oxfordshire, United Kingdom

thanks for all the advice will carry it out & see what happens, i did try tomatoes direct in the ground last year but they weren't a great success

Liberty Hill, TX(Zone 8a)

I know people grow cucumbers in Self Water Containers with great success. I'm growing them in containers but they are large containers. What kind of soil are you using? Cucumbers seem to need more water them many other plants.

Oxfordshire, United Kingdom

i use john innes

Liberty Hill, TX(Zone 8a)

I don't know who he is.

Charlotte, NC(Zone 7b)

I know what John Innes is - glad to see it's still around after so many years. My mother used it in our garden 60 years ago!

She grew cucumbers and tomatoes in "her" greenhouse. She wouldn't let dad or me go in there! She did sow the seeds in the ground, but whatever else went on in there was her secret!

San Antonio, TX(Zone 8b)

Cornell University has some great information on growing vegetables. In looking at the entry for cucumbers, I think the two things that seem most important to me are:
-- fertile soil
--and (I think maybe most important) cucumbers are sensitive to cold. You want 70F during the day and 60F at night for optimum growth.

Here is the info, though. You may see some other pertinent factors that have been thwarting your efforts.

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