Helianthus debilis subsp. cucumerifolius
Helianthus debilis subsp. cucumerifolius
Helianthus
Asteraceae
Flowering Plants
Zone 5–9
🐾 Pet-Safe
🌱 Beginner Friendly
The cucumber-leaf sunflower is a cheerful, easy-care annual-like perennial that thrives in full sun to part shade with average moisture. Plant it in well-drained soil and water regularly during dry spells to keep it blooming. Deadhead spent flowers to extend the long summer-to-fall bloom season.
Care Requirements
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Slow
Mature Height
18″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 7-10 Days • Water Deeply Until Soil Is Moist, Then Allow Top Inch To Dry Before Rewatering
Soil pH
5.2 – 7.2
Temperature
-20° – 90°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Coarse
Ecology & Origin
Native to
Austria
Azores
Connecticut
Cuba
Czechoslovakia
Florida
France
Georgia
India
Jawa
Korea
KwaZulu-Natal
Louisiana
Maryland
Masachusettes
Michigan
Mozambique
New Hampshire
New York
North Carolina
Attracts
🐝 Bees
🐝 Butterflies
🐝 Birds
Sources
Data: trefle, usda
Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Available From (0)
No nurseries currently have this species in stock.