POLEMONIUM caeruleum f. album

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POLEMONIUM caeruleum f. album

Jacob's Ladder, Greek Valerian, Charity
[White Pearl]
Select Item No. PA482

Available

1 Portion contains 20-250 seeds depending on value and size.
Please switch to gram for larger quantities.



Plant Description

Life Cycle: Perennial
Family: Polemoniaceae
Origin: Northern Hemisphere
Special Features: White flowering form of this popular widespread species. Easily grown from seed, distinctive finely divided foliage. Stems, sometimes bipinnate with up to 20 oval to oblong leaflets. Reblooms after dead-heading.
Historical: The species has been used in gardens since Roman times.
 
Basic Colour: (white / cream)
Flower Colour: white
Natural Flowering Period: June - July
 
Winter Hardiness Zones: Z2 - Z8
Foliage: oval to oblong, finely divided
Growth Habit: erect / clumping
Height with Flowers: 60 cm
Spacing between Plants: 45 cm
Soil Requirements: moist / average
Location:
Characteristics: groundcover
Usage: suitable for cutting / flowering pot plant
Portion weight: 0.15 Gram
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: 4 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Container Size(s): 1-2 plugs per 11/12 cm (4 1/2") / 2-3 plugs per 15 cm (6")
Fertilizer: Medium (150-200 ppm)
Jelitto · Seeds of more than 3700 different species and varieties

 

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