How To Grow Cucumbers From Seed In A Greenhouse. Sow the cucumber seeds in the last three weeks before the frost date so that you can transplant them one week after the frost subsides. The seed for greenhouse cucumber varieties is expensive, approaching $1 per seed, due to the fact that the genetics are gynoecious and parthenocarpic (seedless).
Then, fill the pot with potting soil made specifically for vegetables and insert stakes into the soil so your cucumbers have something to grow on. Choose seeds according to whether you’re going to grow the cucumbers in a greenhouse or outdoors. We seed directly into the growing cube, and at this time of year (january), it takes 29 days to get them ready for transplanting.
After that, they grow fairly quickly.
Now that you know how to grow cucumbers from seeds, it’s time to learn even more new gardening skills! Choose seeds according to whether you’re going to grow the cucumbers in a greenhouse or outdoors. Water well and place in a sunny spot indoors. Sowing cucumber seeds in potting mix growing greenhouse cucumbers