Black Oil Sunflowers are tall, striking annuals with large golden-yellow petals surrounding dark brown centers. These sunflowers are grown primarily for their seeds, which are rich in oil and highly nutritious. Plants can reach 5–8 feet tall and bloom in mid to late summer, creating a stunning display and attracting pollinators.
 
Uses:
Culinary: Seeds are used for snacks, bird feed, and oil extraction.
Pollinator-Friendly: Flowers attract bees and beneficial insects.
Wildlife Support: Seeds provide food for birds and small mammals.
Ornamental: Adds dramatic height and color to gardens.
 
How to Plant:
Timing: Direct sow outdoors after the last frost when soil temperatures are above 55°F.
Soil: Well-drained, moderately fertile soil.
Sunlight: Full sun for best growth.
Spacing: 12–18 inches apart for single stems; wider for branching varieties.
Germination: 7–10 days at 65–75°F.
Watering: Moderate; avoid waterlogging.
 
Companion Planting Tips:
Good Companions: Corn, cucumbers, and squash (sunflowers provide shade and attract pollinators).