HELIOPSIS helianthoides var. scabra 'Sommersonne'

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HELIOPSIS helianthoides var. scabra 'Sommersonne'

Ox-Eye, Sunflower Heliopsis
[Summer Sun]
Select Item No. HA092

Available

One Portion is usually sufficient for approx. 50 plants.
Please switch to gram for larger quantities.



Plant Description

Life Cycle: Perennial
Family: Asteraceae
Origin: Eastern North America
Special Features: Semi-double golden flowers on sturdy stems.
 
Basic Colour: (yellow / gold)
Flower Colour: golden
Natural Flowering Period: July - September
Flowering: First year flowering
Flower: semi-double
 
Winter Hardiness Zones: Z3 - Z9
Foliage: ovate to lanceolate basal leaves
Growth Habit: upright, erect / clumping
Height with Flowers: 120 cm
Spacing between Plants: 75 cm
Soil Requirements: well-drained / average
Location:
Usage: suitable for cutting
Grams per 1000 seeds: 3.63636 Gram
Seeds per Gram
(does not correspond to the number of plants!):
275
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
10 Gram
Sowing Rates/Trays: 2 - 3 per cell
Plug tray recommended size(s): 72 / 128
Sowing Direction:

(15) Rapidly germinating, keep seed in constant moisture (not wet) with temperatures of about +20°C [68°F]. Seeds must be covered thinly. Do not cover very small seeds, but tightly press into the earth. Keep in cooler conditions after germination occurs.

Best Sowing Date
(northern Hemisphere, Field condition):
Anytime
Sowing to Germination: 2 - 3 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Cutting back at Transplanting: Cut back 1-2 times; once at transplanting; once again 4 weeks later to keep more compact.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2")
Vernalization: No vernalization required for flowering in the first year.
Forcing: This species is not a suitable candidate for forcing.
Fertilizer: Medium (150-200 ppm)
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