ALYSSUM saxatile 'Sulphureum'

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ALYSSUM saxatile 'Sulphureum'

Madwort
(AURINIA)
Select Item No. AA344

Available

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



Plant Description

Life Cycle: Perennial
Family: Brassicaceae
Origin: Central and Southeastern Europe
Special Features: Hundreds of light yellow flowers. Attracts honey bees.
Historical: The species has been a popular garden plant since the early 16th century. Once thought to be an herbal cure for madness.
 
Basic Colour: (yellow / gold)
Flower Colour: light yellow
Natural Flowering Period: April - May
Flowering: First year flowering
 
Winter Hardiness Zones: Z3 - Z9
Foliage: grey-green
Growth Habit: compact
Height with Flowers: 40 cm
Spacing between Plants: 25 cm
Soil Requirements: dry / well-drained / average / poor, lean / warm
Location:
Usage: honey-bee food plant / for the rock garden / for green roofs
Grams per 1000 seeds: 0.86957 Gram
Seeds per Gram
(does not correspond to the number of plants!):
1150
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
3 Gram
Sowing Rates/Trays: 3 per cell
Plug tray recommended size(s): 128 / 288
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: 3 - 4 weeks
Transplanting to Potting: 4 - 6 weeks
Cutting back at Transplanting: Not Necessary.
Container Size(s): 1 plug per 8/9 cm (3 1/2") / 1-2 plugs per 11/12 cm (4 1/2")
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: An obvious place to experiment - following vernalization - would be raising daytime temperatures to 60° - 65°F (15° - 17°C). Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m.
Fertilizer: Light (100-150 ppm)
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