WYETHIA amplexicaule

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WYETHIA amplexicaule

Mule Ears
Select Item No. WA016

Available

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



Plant Description

Life Cycle: Perennial
Family: Asteraceae
Origin: Western USA, Washington to Montana and south to Colorado and Nevada: mountain grasslands, pastures.
Special Features: WYETHIA amplexicaule impresses by its main broad basal leaves, but also enriches summer by bright yellow-orange flowers.
 
Basic Colour: (yellow / gold)
Flower Colour: yellow
Natural Flowering Period: June - August
 
Winter Hardiness Zones: Z4 - Z8
Foliage: broad basal leaves
Height with Flowers: 60 cm
Spacing between Plants: 50 cm
Soil Requirements: well-drained
Location:
Characteristics: ornamental foliage plant
Usage: for the rock garden
Grams per 1000 seeds: 16.66667 Gram
Seeds per Gram
(does not correspond to the number of plants!):
60
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
40 Gram
Plug tray recommended size(s): open flats
Sowing Direction:

(1) Cold-germinators are still referred to as frost-germinators, although this isn’t quite correct. The sowing must be kept warm (about +18 to +22°C) [about 64 to 72°F] and moist for the first 2–4 weeks. After this period the sowing must be kept at a cold temperature (between –4 and +4°C) [between 25 and 39°F] for another 4–6 weeks. Colder temperatures of –5°C [23°F] are only advantageous for most species of the Ranunculus family. It is not so important if the temperature is higher or lower during the cooling period, but the cooling period has to be prolonged because the synthesis of the germination inducer, hormon-like acid, slows down or comes to a standstill.
It is beneficial to cover the sowing with snow during the cooling-period. The temperature below it usually keeps in the optimum range of –4 to 0°C [25 to 32°F]. The sowing is kept moist, and the melting snow helps to destroy the shell, which is advantageous for the germinating seedling. After this cooling-period the sowing may not be immediately exposed to high temperatures. The most effective temperatures are between +5 to +12°C [41 to 54°F], even if germination has started. The best location for this sowing, even in March, April and May, is the open field, the cold frame or a cold greenhouse.

Cutting back at Transplanting: Not Necessary.
Container Size(s): 1 plug per 8/9 cm (3 1/2")
Fertilizer: Light (100-150 ppm)
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