Branching Sunflower (Helianthus debilis): Multi-Stemmed Annual for Cutting

Branching sunflower (Helianthus debilis) has thick stems and glossy mid-green leaves, growing 5–6 feet tall. Slightly nodding 2.5+ inch flowerheads appear in summer. Bright yellow rays sometimes flushed with red/purple-red disks.

Noteworthy Cultivars

'Italian White' (ivory-white with buttery cream near black centers), 'Lemon Queen' (pale yellow with large brown center), 'Velvet Queen' (dark burgundy petals, black disk), 'Sole d'Oro' (double fluffy butter-yellow), 'Stella' (golden petals, maroon center).

Culture & Propagation

Tall cultivars may need support. Long hot summers. Moist but well-drained, moderately fertile, humus-rich soil. Sow seed in situ spring or pots late winter.

Problems

Downy/powdery mildew, canker, rust, fungal leaf spots. Caterpillars, cutworms, beetles, weevils.

Quick Reference

• Height: 3–6 ft.
• Spread: 1–3 ft.
• Light: Full sun only
• Moisture: Medium
• Attributes: Native, attracts songbirds
• Bloom Time: Summer
• Flower Colors: White, yellow
• Uses: Beds, borders, cut flowers