PRIMULA maximowiczii

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



Plant Description

Life Cycle: Perennial
Family: Primulaceae
Origin: China, Japan: moist areas in the forests.
Special Features: Umbels of bright red flowers.
Historical: Named in honor of Karl Ivanovich Maximowicz (1827-1891) - botanist, plant collector and Director of the Herbarium at the St. Petersburg Botanical Garden.
 
Basic Colour: (red / scarlet / purple)
Flower Colour: brilliant red
Natural Flowering Period: April - May
 
Winter Hardiness Zones: Z5 - Z8
Foliage: oblong to elliptic, narrow
Growth Habit: rosettes-forming / clumping
Height with Flowers: 30 cm
Spacing between Plants: 30 cm
Soil Requirements: moist / peaty / cool
Location:
Usage: for the rock garden
Grams per 1000 seeds: 0.25 Gram
Seeds per Gram
(does not correspond to the number of plants!):
4000
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
0.5 Gram
Sowing Rates/Trays: 2 per cell
Plug tray recommended size(s): open flats / 72
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
Sowing to Germination: 6 - 8 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 6 - 8 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: 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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