AMSONIA hubrichtii

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GOLD NUGGET SEED ® AMSONIA hubrichtii   Seeds (Image Rights)

AMSONIA hubrichtii

Arkansas Bluestar
Select Item No. AG365

Also available as:

1000 Seeds

Available

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: Apocynaceae
Origin: USA: Arkansas and Oklahoma
Distinction: Selected as Perennial Plant of the year from the PPA (Perennial Plant Association).
Special Features: A perennial with extraordinary textural beauty, star-shaped flowers, blue blossom umbels, exploding with beautiful golden-yellow fall colour. A durable insect and disease resistant perennial. Is dealing better with dryer sites than other AMSONIA.
Historical: North American perennial of the year 2011.
 
Basic Colour: (blue)
Flower Colour: sky-blue
Natural Flowering Period: May - July
 
Winter Hardiness Zones: Z4 - Z9
Foliage: fine needle-shaped
Growth Habit: bushy
Height with Flowers: 90 cm
Spacing between Plants: 100 cm
Soil Requirements: dry / well-drained / average
Location:
Characteristics: ornamental foliage plant
Usage: suitable for cutting
Grams per 1000 seeds: 13.51351 Gram
Seeds per Gram
(does not correspond to the number of plants!):
74
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):
Anytime
Sowing to Germination: 3 - 4 weeks
Germination to Transplant: 4 - 8 weeks
Transplanting to Potting: 6 - 10 weeks
Cutting back at Transplanting: Cut-back once to keep more compact.
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Vernalization: There is no current research on vernalization but a prudent recommendation for any perennial would be 6-12 weeks (a few might need 15 weeks!) at an average daily temperature of 40°F (5°C). Exposure to cold may not be necessary for flowering but might improve quality.
Forcing: This species is not a suitable candidate for forcing.
Fertilizer: Medium (150-200 ppm)
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