How To Care Sunflower. Direct seed recommended Sow after last frost in groups of 3-4 seeds 12. To protect the plant it may help to put snail or slug bait around the stem.
11212018 Sunflowers thrive in warm climates and are heat and drought tolerant. Protect the young plants from slugs and snails and water your sunflowers regularly. If you are starting your seedlings indoors then I recommend you use paper pots or peat.
You may also need to stake them if theyre in an exposed position.
Space seeds 6-12 inches apart for most varieties or 18 inches for mammoth varieties. To stake a giant sunflower drive upright stakes into the ground and fastening the plant to the stake using plant ties or twine. Cut the stems approximately 30 inches long and place them immediately in the bucket of water. Dwarf Sunflowers will flourish with the right type of soil which is rich moist and loamy.