Annual plant, which grows up to 80 cm, with large (10-12 cm), full dark purple flowers. Plant originating from North America.
Erected, branched stems are thick and stiff but very brittle.
Excellent plant for large gardens, nice cut flowers.
It requires warm places and sufficiently moist soil.
Removal of the first flower buds results in better branching stems and abundant flowering.
Genus - Zinnia
Species - Elegans
Variety - Benarys Riesen
Common name - Zinnia
Pre-Treatment - Not-required
Hardiness zones - 3 - 10
Height - 0,80 m
Plant type - Annual flower
Exposure - Full sun, light shade
Growth rate - Medium
Soil PH - Lightly acid (pH 6.0 - 6.5)
Soil type - Clay Soil, Sandy Soil, Loamy Soil
Water requirements - Average, Well Draining
Landscape uses - Easy to Grow, good for containers, Extended Blooms
Bloom season - July - September
Leaf / Flower color - Green / Purple
Sow from March to April in pots or trays of moist seed compost and cover with a very fine sprinkling of compost or vermiculite. Place in a propagator or warm place, and keep at a constant temperature of between +20-+25C.
After sowing, do not exclude light as this helps germination. Keep the surface of the compost moist but not waterlogged; germination will usually take 10-21 days.Can also be sown once the soil has warmed, 3mm deep in drills 30cm apart in well-cultivated soil which has been raked to a fine tilth. When large enough to handle, thin out seedlings to 23cm apart.
When large enough to handle, transplant seedlings into 7.5cm pots or trays. Gradually acclimatise to outdoor conditions for 10-15 days before planting out after all risk of frost, 23-30cm apart.
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