6- 8 weeks before the last expected spring frost date in your area.
1 Starting indoors, in a container of well moistened, sterile seed-starting mix, make shallow furrows with a pencil or chopstick about 1/4 in. deep. Sow seeds by dropping them along the bottom of the furrows 1/2 in. apart. 2 Gently pinch together soil to cover each furrow, covering seeds 1/4 in. deep. Sarah Lipoff. Using seeds to start tomatoes is a great way to grow your own tomatoes. Tomato seeds take around 2 to 3 weeks to sprout before they can be transferred to your garden. Starting tomato seeds indoors is cheaper than buying grown plants. Seeds need water, warmth and soil to germinate which you can control indoors.  When to Start Seeds. As a general rule, seeds need to be started four to six weeks before the date of the last frost. Seed starting times are calculated by taking the date of the last frost and subtracting the days until transplant. The seed packet will tell you how many week Plant your tomato seedlings outdoors 1-2 weeks after the last frost date. Waiting longer to plant after the last frost date will reduce the chance of losing your tomato crop to freeze and will allow the ground to warm – which is the kind of environment in which tomatoes do best! Sample calculation. When To Start Tomato Seeds. Start tomato seeds indoors or in a greenhouse (find greenhouse plans) before planting season. When spring comes, seedlings will be ready to plant outdoors. When to Start Seeds Indoors. Provide extra protection for tomatoes plants by starting seeds indoors four to eight weeks before planting outdoors. February is a good time to sow seeds indoors. When planting indoors, use a light potting mix and plant seeds 1/2 inch deep. The seeds germinate well when kept evenly moist, warm and with six to eight hours of sunlight daily. The best time to sow seeds directly into the garden is after all danger of frost and soil has warmed, usually in May. Prepare the soil by amending with compost, peat moss or leaf mold, and deeply spade or plow the area. When sowing seeds, place three seeds in a 1/2-inch-deep hole with 1 inch between holes. Thin the plants once seedlings grow large enough to handle safely, spacing seedlings 18 to 36 inches apart and leaving 24 to 48 inches between rows. Provide extra protection for tomatoes plants by starting seeds indoors four to eight weeks before planting outdoors. February is a good time to sow seeds indoors. When planting indoors, use a light potting mix and plant seeds 1/2 inch deep. The seeds germinate well when kept evenly moist, warm and with six to eight hours of sunlight daily. The best time to sow seeds directly into the garden is after all danger of frost and soil has warmed, usually in May. Prepare the soil by amending with compost, peat moss or leaf mold, and deeply spade or plow the area. When sowing seeds, place three seeds in a 1/2-inch-deep hole with 1 inch between holes. Print Version. Generally, the time to start your seeds is about 6- 8 weeks before the last expected spring frost date in your area, planting the seedlings outdoors about 2 weeks after that date. Starting indoors, in a container of well moistened, sterile seed-starting mix, make shallow furrows with a pencil or chopstick about 1/4 in. deep. Sow seeds by dropping them along the bottom of the furrows 1/2 in. apart. The best time to set out tomato plants is after danger of frost, which is usually anytime in April, May or early June. If you started seed indoors, the seedlings should be about 6 to 8 inches tall and hardened off before transplanting outside. The best time to sow seeds directly into the garden is after all danger of frost and soil has warmed, usually in May. Prepare the soil by amending with compost, peat moss or leaf mold, and deeply spade or plow the area. When sowing seeds, place three seeds in a 1/2-inch-deep hole with 1 inch between holes. 1 Don't start your seeds too early, especially tomatoes! 2  Most annual flowers and vegetables should be sown indoors about 6 weeks before the last frost in your area. 3  See our annual Best Planting Dates for Seeds chart which is based on your frost dates and by the Moon.  Seed Starting Times for Different Seeds. The plants that should be started the earliest are broccoli, cabbage, cauliflower and head lettuce. Sow seeds for these indoors 10 weeks before the date of the last frost. The warm season plants such as tomato, peppers and eggplant require seven weeks. The best time to start seeds such as cucurbits and melons is four weeks ahead of last frost. As a general rule, seeds need to be started four to six weeks before the date of the last frost. Seed starting times are calculated by taking the date of the last frost and subtracting the days until transplant.
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when is a good time to start tomato seeds indoors