HYPERICUM olympicum 'Grandiflorum'

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HYPERICUM olympicum 'Grandiflorum'

St. John's Wort
(polyphyllum)
Select Item No. HA340

Available

Article will be imported through the USDA. Show all USDA items.

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



Plant Description

Life Cycle: Perennial
Family: Clusiaceae
 
Basic Colour: (yellow / gold)
Flower Colour: golden
Natural Flowering Period: June - August
Flowering: First year flowering
 
Winter Hardiness Zones: Z5 - Z9
Height with Flowers: 25 cm
Soil Requirements: dry / well-drained / alkaline / average
Location:
Characteristics: groundcover
Usage: for the rock garden
Portion weight: 0.2 Gram
Grams per 1000 seeds: 0.28571 Gram
Seeds per Gram
(does not correspond to the number of plants!):
3500
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
1 Gram
Sowing Direction:

(16) See 15 with the exception of germination being slower and more irregular. This poses no problems.

(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.

Jelitto · Seeds of more than 3700 different species and varieties

 

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