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|Origin:||Mountains of Brazil and Columbia|
|Distinction:||Award of Garden Merit (A.G.M.) from the Royal Horticultural Society.|
|Special Features:||Spectacular foliage plant. Small green to orange blooms open from pinkish flowering stems. Outstanding stand alone plant.|
|Historical:||The genus was named for the Norwegian botanist Johann Ernst Gunnerus.|
|Flower Colour:||green to orange|
|Natural Flowering Period:||July - August|
|Winter Hardiness Zones:||Z6 - Z11|
|Foliage:||huge rounded leaves|
|Growth Habit:||clumping / broad, large|
|Height with Flowers:||200 cm|
|Spacing between Plants:||200 cm|
|Grams per 1000 seeds:||1.49254 Gram|
|Seeds per Gram
(does not correspond to the number of plants!):
|Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
|Plug tray recommended size(s):||deep open flats|
(14) A warm period of +25 to +30°C [77 to 86°F] and moist conditions after sowing for about 4–5 weeks neutralizes the germination inhibition. The phytohormones which inhibit germination will then break down. At this point the sowing needs very cool conditions, approximately +2°C [36°F]. Initial germination lasts for about 80 days under these conditions. During this period keep in dark cold storage chamber. Then temperature and lighting must be increased gradually.
(20) To obtain best germination results, seeds need temperatures of +22°C [72°F] or more. Moderate, but constant humidity is very important. Gunnera, however, prefers very moist (not wet) and warm (+24 to +30°C) [75 to 86°F] conditions.
|Sowing Time Hint:||Gunnera prefers very moist (not wet) and warm (+24 to 30°C) [75 to 86°F] conditions.|
|Sowing to Germination:||3 - 12 weeks|
|Germination to Transplant:||4 - 8 weeks|
|Transplanting to Potting:||8 - 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") / 2-3 plugs per 15 cm (6")|
|Vernalization:||No vernalization required for flowering in the first year.|
|Forcing:||This species is not a suitable candidate for forcing.|
|Fertilizer:||Medium (150-200 ppm)|