Scientific Name : Heliopsis helianthoides
Common Name : Ox-eye
Hardiness Zone : 4a - 9b
Hardiness Degree : -25°F (-32°C)
Blooming Season : Summer, Late Summer
Plant Habit : Mounded
Water : Medium
Fertilizer : Once a week
Spacing : 12 - 14" (30 - 36cm)
Height : 14 - 16" (36 - 41cm)
Width : 12 - 14" (30 - 36cm)
Exposure : Sun
General Information : Big yellow flowers add “WOW” to the landscape.
Flowers all Spring and Summer.
Idea & Tips : Plant in sunny location with well-drained soils.
Fertilize monthly.
Trim spent blooms for cleaner appearance.
Grower Information :
The biggest blooms in its class. Plus, eye-catching, variegated foliage. - Compact habit is easier to ship and shows better at retail.
- Blooms 4 to 6 weeks earlier than other Heliopsis and stays in flower all Summer.
- Produces full 1-gal. containers with more plants per rack and lower input costs.
'Sunstruck'
Protection Information : EU PBR40480; PP25,524
(Flowering Only License)
Breeder : Darwin Perennials
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Propagation Guide
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EC 0.75-0.80 mmhos/pH 5.8-6.2
70-72°F (21-22°C)
1,000 ppm IBA
Low
50-75 ppm N when roots become visible
Recommended after roots are established. Leave 4-5 active internodes.
35-42 days after sticking
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Finishing Guide
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5.8-6.2
Nights: 55 to 65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C)
5,000 to 8,000
Beneficial; aids in bulking.
Long day obligate
Allow media to dry slightly between watering.
Use a balanced fertilizer at a rate of 150 to 175 ppm.
Recommended
PGRs generally not needed
Pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids.
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Crop Scheduling
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Unrooted: 14-16 wks Rooted: 8-10 wks
Unrooted: 16-19 wks Rooted: 10-12 wks
Unrooted: 19-22 wks Rooted: 12-14 wks
June to August
Download Culture Guide