OENOTHERA macrocarpa ssp. incana Silver Blade®

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GOLD NUGGET SEED ® OENOTHERA macrocarpa ssp. incana  Silver Blade® Seeds

OENOTHERA macrocarpa ssp. incana Silver Blade®

The Hoary Evening primrose
[Pewter Moon]
Select Item No. OG028

Also available as:

1000 Seeds


The minimum order quantity for this article are 100 seeds.

There are no units prepacked, any seed amount ( > minimum quantity) is weighed individually.

Plant Description

Article Type: (GOLD NUGGET SEED ®)
Life Cycle: Perennial
Family: Onagraceae
Origin: USA: Kansas, Oklahoma and Texas
Distinction: Plant Select, contact Plant Select for legal use of ® names.
Special Features: Beautiful, silvery foliage, reddish stems and large (ø10 cm), yellow saucer-shaped flowers. Very large flowering. Drought tolerant. Mat-forming though slightly more upright than the Missouri Evening Primrose, Oenothera missouriensis (macrocarpa).
Basic Colour: (yellow / gold)
Flower Colour: golden
Natural Flowering Period: June - September
Flowering: First year flowering
Winter Hardiness Zones: Z4 - Z8
Foliage: undulate, lanceolate, with thick covering of tiny silver hairs
Growth Habit: stoloniferous / mat-forming
Height with Flowers: 20 cm
Spacing between Plants: 30 cm
Soil Requirements: dry / well-drained
Characteristics: ornamental foliage plant / groundcover
Usage: for the rock garden
Portion weight: 0.5882 Gram
Grams per 1000 seeds: 4.7619 Gram
Seeds per Gram
(does not correspond to the number of plants!):
Sowing Rates/Trays: 2 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):
Sowing Time Hint: Germination occurs in 1-2 weeks.
Sowing to Germination: 1 - 2 weeks
Germination to Transplant: 4 - 8 weeks
Transplanting to Potting: 6 - 10 weeks
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2")
Fertilizer: Medium (150-200 ppm)
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