Zone 4 · False Sunflower
Planting False Sunflower in Zone 4
Heliopsis helianthoides
✅ False Sunflower thrives in zone 4 (hardy 3–9)
Can I plant today?
⏳ Too early to direct-sow
Last frost is in 4 weeks. Wait until soil warms.
Evaluated for April 27, 2026 ·
Zone's last frost
around May 15
Zone's first frost
around September 15
Bloom window
June – September
Peak bloom
July
Sun required
full sun
Mature height
48"
Spacing
24" apart
Type
perennial
How to plant False Sunflower in zone 4
Plant in spring. Long-blooming; shorter, stouter, and more garden-friendly than true sunflowers.
Pair with these for continuous bloom
False Sunflower peaks in July. These companions keep your bed in color before and after.
Want a full bed designed for zone 4?
Sign up free. GimmeBlooms builds a bloom-succession layout withFalse Sunflower and 3–5 perfect companions.
Design my bed →