WebSunflowers can also be started indoors as transplants, which allows for them to bloom earlier than direct seeding. Direct Seeding. Plant sunflower seeds 1 to 2 inches deep after the last threat of frost. Space seeds 6 inches apart for smaller varieties and 12 inches apart for taller varieties. ... Insects can also be an issue when growing ... WebGrowing sunflower seeds requires space. To start sunflowers indoors, plant three seeds per each 3- to 4-inch peat pot. A soilless planting media will give you the best drainage. Indoor germination usually happens in 6 …
Starting Flower Seeds Indoors: A Step-by-Step Guide
WebHow to Plant Sunflower Seeds. Plant the seeds no more than an inch deep and about 6 inches apart. Thin the seedlings once they hit 6 inches tall, leaving the strongest plants about 12 inches apart. For continuous … WebSep 17, 2024 · Sunflowers are sensitive to frost and may need to be overwintered indoors. You can keep your sunflower in a warm, bright, dry location indoors throughout winter. Sunflowers can survive winters, but … scottbrand login
How to grow sunflowers Home for the Harvest
WebMay 17, 2024 · Most package directions for how deep to plant sunflower seeds recommend about an inch (2.5 cm.), but if the kids are helping you plant, don’t be too fussy. If you’re starting indoors, don’t worry about how deep. To plant sunflower seeds in peat pots or paper cups, put two seeds per pot and just cover them with soil. WebWhen it comes to starting your sunflower seeds indoors, you'll want to begin in late winter or early spring, usually 6-8 weeks before the last frost date in your area. This will give … WebSep 21, 2024 · Fill the pot with three or four parts all-purpose potting mix and one part compost. Plant the sunflower seeds to a depth of about an inch and water well. You'll want to plant twice as many seeds as you are planning to grow so that later you can thin out the weakest individuals. A 6-inch diameter pot can support one or two sunflower plants ... scott branch high school