False sunflower "Burning Hearts" (Ox-Eye)

False sunflower "Burning Hearts" - Heliopsis helianthoides var. scabra.
Family: Asteraceae.
Origin: North America, Southern Canada.
Perennial with strong stems, reddish leaves and showy golden yellow flowers with an orange-red central disk.
Natural flowering period: July - September.
Winter hardiness zones: Z3-Z9.
Foliage: with a burgundy-red tint.
Flowering plant height: 120 cm.
Distance between plants: 60-90 cm.
Soil requirements: medium soils (tolerates heavy clay soils), pH 5.8 - 6.8.
Location: sunny (up to scorching).
Use: effective cut flowers for bright bouquets. Heliopsis helianthoides will help create original landscape compositions in combination with other ornamental plants: Echinacea, Knautia macedonica and Sanguisorba menziesii.
Technological information.
1.0 g = 290 seeds.
Recommended seeding: 10 g/1000 plants.
Germination: fast (the seeds are kept at constant humidity (but not in dampness) at a temperature of about + 20 ° C. Do not cover the seeds with soil, but slightly press them into it. After germination, transfer young seedlings to a cooler place. From sowing until emergence shoots: 2-3 weeks.
Best sowing time: any time.
From germination to transplant: 4-6 weeks.
Transplant pruning.
Trim 1-2 times: once when transplanting (again 4 weeks later to keep the plant more compact).
Container sizes for growing seedlings:
1-2 seeds per 11/12 cm;
2-3 seeds per 15 cm.