How to Get an Early Start on Your Spring Garden

Start seeds in a sunny windowsill or under grow lights.

Indoor Gardening

Here are some tricks to take advantage of sunny windowsills:

  • Start Seeds Indoors: By the time the soil is warm enough to plant seeds outdoors, you’ve already missed some growing time. By starting seed flats in a sunny window, you can have seedlings ready to transplant by the time the weather warms up.
  • Indoor Containers: Herbs and salad greens are easy to grow indoors in the winter, and you can simply snip off leaves as you need them. Indoor hydroponic systems go a step further to provide a sophisticated growing system for year-round vegetable harvests.

Greenhouses can provide year-round gardening.


If you’re dead-set on gardening year-round, and you live in areas with freezing winters, you’ll have to create an artificially heated environment for tender plants. A greenhouse is a great way to extend the gardening season, with several choices:

  • Unheated Greenhouse: Made of insulating glass or plastic, unheated greenhouses function like a large cold frame, giving only frost protection and few weeks’ head start.
  • Cool Greenhouse: Are minimally heated to keep temperatures above 40° F, allowing you to grow cool-season vegetables all winter long and to get a couple months’ head start on warm-season vegetables.
  • Warm Greenhouse: Hothouses keep temperatures above 50° F, allowing ambitious gardeners to grow summer veggies and herbs even in the dead of winter.

Further Information


  1. For two years, I’ve started tomato plants indoors in a plastic covered box about 6′ long by 2 1/2 ‘ wide and 3’ tall. I used 2 grow lights about 24″ above the pots. I start the plants from seed about 8 weeks before moving them to the garden. I keep the grow lights on about 12 hours a day. The problem is the plants get tall and spindly and are very fragile. Any ideas? Thanks

  2. Lower your lights to just above the plants. As the plants grow, raise the lights, but still keep them just an inch or two above the plants. Hanging the lights from adjustable chains works well.

  3. I try to grow Asian tropical Bottle Gourd here in MA by sowing seeds in April. ;Plants do come up but mostly they last a few weeks and die out often without going to three leaf stage. I always wonder how these Nurseries grow plants for weeks anD weeks and deliver us plants with bunch of leaves and when we open to transplant the container is full of roots spread in the entire soil. what is the secret? Or in other words my mistake. can someone help. Thanks.

  4. Last year I tried my hand at starting my seedlings indoor for the first time.
    They geminated extremely fast and I was unprepared.
    Right away I rigged up a light but could tell this would not be workable in the long term.
    I found a site talking about leggy seedlings and the suggestion was to take them outside during the day time.
    I had my seedlings in clear plastic totes so this was easy enough to do.
    The theory is that the cool temps keep the seedlings from growing too fast. It keeps them lower to the planting medium.
    (Lower to the ground) so to speak. They tend to get more leaf growth instead of stem growth.
    The process was great! And.. there was an added benefit because in this process they were already hardened off due to the exposure of the daytime outdoors while they were just tiny little sprouts.
    I’m doing this again this year! Big clear plastic totes with covers are like little movable greenhouses.
    For me the only drawback to sprouting seeds was putting them out in the great outdoors all by themselves.
    One rabid slug could clear cut my newly planted darlings.
    As an insurance, I lined a circle around each one with Epsom Salts. Works much like salt to repel snails and slugs,
    and its also beneficial to the seedlings.


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