GERANIUM maderense 'Guernsey White'

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GERANIUM maderense 'Guernsey White'

Madeira Cranesbill
Select Item No. GA256

Also available as:

Available

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



Plant Description

Life Cycle: Perennial
Family: Geraniaceae
Origin: Island of Madeira (Portugal)
Special Features: White blossoms with pink eyes on a surprisingly tall species with richly branching stems and finely dissected leaves. An exquisite accent plant.
 
Basic Colour: (white / cream)
Flower Colour: white with pink eye
Natural Flowering Period: June - August
 
Winter Hardiness Zones: Z8 - Z10
Foliage: fern-like, dissected
Growth Habit: rosettes / shrubby
Height with Flowers: 120 cm
Spacing between Plants: 90 cm
Soil Requirements: dry / well-drained
Location:
Characteristics: solitary plant
Usage: patio plant
Grams per 1000 seeds: 6.25 Gram
Seeds per Gram
(does not correspond to the number of plants!):
160
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
20 Gram
Sowing Rates/Trays: 3 - 4 per cell
Plug tray recommended size(s): 72 / 128
Sowing Direction:

(9) These seeds germinate rapidly depending on species and origin. If germination does not occur after 3–4 weeks a cooling period of 2–4 weeks is recommended.

Best Sowing Date
(northern Hemisphere, Field condition):
late autumn - early spring
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Cutting back at Transplanting: Cut back 1-2 times; once at transplanting; once again 4 weeks later 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: A prudent recommendation would be to provide 6-12 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: Medium (150-200 ppm)
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