How to Grow Vegetables in a Greenhouse Year Round (Complete Beginner's Guide)

Added: 2026-05-23

[00:00:00]Most people think growing vegetables is only possible in spring and summer.

[00:00:04]They are completely wrong.

[00:00:07]Here is how to grow fresh food in your greenhouse every single month of the year.

[00:00:12]Spring, [music] start your tomatoes, cucumbers, and peppers from seed early.

[00:00:17]Place them on [music] the highest warmest shelf.

[00:00:20]Use succession planting for leafy greens. Sow small [music] amounts every 2 to 3 weeks for continuous harvests all season long.

[00:00:28]Summer, >> [music] >> your greenhouse produces is at its absolute peak.

[00:00:32]Manage the heat by opening all vents every morning, running your oscillating [music] fan continuously, and applying shade cloth to your panels.

[00:00:40]Always water early in the morning, [music] never in the middle of a hot day.

[00:00:44]Autumn, this is where most greenhouse growers fail.

[00:00:48]Never wait for [music] summer crops to die before planting autumn crops.

[00:00:53]Start kale, spinach, >> [music] >> winter lettuce, and Swiss chard 6 to 8 weeks before your first frost while summer crops are still producing.

[00:01:00]This overlap [music] is the secret to uninterrupted harvests.

[00:01:04]Winter, focus on cold hardy crops that love cool temperatures.

[00:01:09]Lettuce, spinach, kale, radishes, and green onions all thrive in an unheated greenhouse [music] through winter.

[00:01:16]Use thermal mass, bubble wrap insulation, and a small thermostat heater to keep temperatures just above freezing affordably.

[00:01:24]The final [music] secret, always think 3 months ahead.

[00:01:28]While harvesting summer crops, start autumn [music] planting.

[00:01:31]While harvesting autumn crops, prepare for winter.

[00:01:35]This forward thinking keeps your greenhouse full and productive every [music] single week of the year.

[00:01:40]Watch the full complete guide on our channel for every detail.

[00:01:45]Follow Greenhouse [music] Gardening Pro for more tips.