I am creating a 20×10 greenhouse (facing south lengthwise). I am interested in your thoughts on layout for the greenhouse. Prep/seeding area, raised beds, etc. What should be included in a greenhouse intended for starting seeds and extending my growing season?

It is going on the south side of the house and should have full 8+ hours of sunlight year round. Going to put a thick layer of lava rock as the floor (repurposed from old landscaping). Would like for it to be able to operate if grid went down.

by Old_Might_2425

3 Comments

  1. HaggisHunter69

    I’d grow in the ground if possible, I’ve got two small greenhouses one with in ground beds and one with large pots. I much prefer growing in ground. They are only 6×8 and 8×8

    The in ground one has permanent staging on the north side to raise seedlings which I like a lot. Under the staging I’ve found various herbs do well like oregano, marjoram, parsley. But moveable staging or shelves would give more options.

    I grow tomatoes, chillis, aubergine, melon, cucumbers in mine from planting them in late April/early may untill I replace them in late September/early October with hardy salads like kale, mustards, lettuce, spinach and also garlic . I don’t get any direct sun on them for half the year due to the angle of the sun and a large stand of trees to the south, but they tend to survive and grow slowly then produce a lot in march and April before any outside crops are ready. If they got sun I’d be able to crop them a bit over winter too. They are unheated with no power

    That’s in zone 8 and 56 degrees north so similar latitude to southern Alaska, usually get a few -12c nights a year but the average low is above freezing

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