LOBELIA cardinalis

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LOBELIA cardinalis

Cardinal Flower
Select Item No. LA370

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: Campanulaceae
Origin: USA
Distinction: Award of Garden Merit (A.G.M.) from the Royal Horticultural Society.
Special Features: Exquisite flower color.
Historical: Native American Indians used medicinally for cramps and typhoid.
 
Basic Colour: (red / scarlet / purple)
Flower Colour: bright red
Natural Flowering Period: July - October
 
Winter Hardiness Zones: Z3 - Z9
Foliage: glossy green
Growth Habit: erect
Height with Flowers: 90 cm
Spacing between Plants: 30 cm
Soil Requirements: moist
Location:
Characteristics: medicinal plant
Usage: suitable for cutting / water or marshplant
Grams per 1000 seeds: 0.03571 Gram
Seeds per Gram
(does not correspond to the number of plants!):
28000
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
0.5 Gram
Sowing Rates/Trays: 12 per cell
Plug tray recommended size(s): open flats / 128
Sowing Direction:

(4) These are very tiny seeds which should be mixed with finest sand or talcum for an even sowing. Do not cover with compost, only press them in gently. Irrigate from the bottom or with a hand-sprayer, so that the seeds will not be washed away.

(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 - 8 weeks
Transplanting to Potting: 6 - 10 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: This species is not a suitable candidate for forcing.
Fertilizer: Medium (150-200 ppm)
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