Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
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4 plants
Sunflower: complete guide
Helianthus annuus
Everything you need to know about growing and caring for Helianthus annuus. Ideal sun exposure, soil needs, watering tips, and companion planting advice.
Helianthus giganteus: complete guide
Helianthus giganteus
Helianthus giganteus is a giant sunflower with large yellow blooms and impressive height, ideal for backgrounds and natural gardens.
Helianthus pauciflorus: complete guide
Helianthus pauciflorus
Discover Helianthus pauciflorus, the stiff sunflower. A robust perennial with bright yellow flowers perfect for borders and wildflower meadows.
Helianthus petiolaris: complete guide
Helianthus petiolaris
Discover Helianthus petiolaris, the plains sunflower. An elegant annual sunflower with delicate yellow flowers.