AMSONIA hubrichtii

Arkansas Bluestar

Jelitto Perennial Seeds: AMSONIA hubrichtii - Arkansas Bluestar Jelitto Perennial Seeds: AMSONIA hubrichtii - Arkansas Bluestar

Id-Code: AA 365
Family: Apocynaceae
Origin: USA: Arkansas and Oklahoma
Special features: A perennial with extraordinary textural beauty exploding with beautiful golden-yellow fall colour
Colour: Star-shaped, sky-blue flowers
Natural Flowering Period: May - July
Winter Hardiness Zones: Z4-9
Growth Habit: Bushy
Foliage: Very narrow (thread-like) linear-shaped leaves
Height with Flower: 90 cm (36'')
Spacing between Plants: 100 cm (40'')
Soil Requirement: Any well-drained soil, pH 5.8 - 6.8
Location: Full sun
Use: Plant together in large groups for a spectacular fall show. Lovely with ornamental grasses like Panicum virgatum
Specialities: A durable insect and disease resistant perennial.
Auch als JELITTO GOLDKORNSAMEN® (AG 365) erhältlich

Cultural Tips:
Grams per 1000 seeds: 11,111
Seeds per Gram: 90
Seeding Recommendation: 30 g / 1000 plants
Sowing Rate: 2-3 seeds per cell
Plug tray recommended size(s): 72, 128
Germination: These perennial seeds germinate very irregularly over a long period. Lower temperatues of less than +5°C (41°F) are very effective. Seed trays should not be discarded prematurely. Constant moisture must be maintained. Do not leave in direct sunlight.

Scheduling:
Best Sowing Date: November - March
Sowing to Germination: 3 - 10 weeks
Germination to Transplant: 4 - 8 weeks
Transplanting to salable Plant: 6 - 10 weeks
Cutting-Back at Transplanting: Cut-back once to keep more compact

Growing On:
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.
Fertilization: Medium (150-200 ppm)

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