catalog > Garden Flowers > Flower Cup Plant. Rosinweed

Flower Cup Plant. Rosinweed

Latin name: Silphium

yellow

click photo to enlarge

flower color	yellow
life span	perennial
landscape use	hedge, flowerbed, specimen, border
timing of flowering	august, july, june
soil acidity	alkaline soil, neutral soil
soil type	clay soil, loamy soil
water needs	moderate, high
light needs	semi-shade, full sun
cold hardiness zone	4 (-34 to -29°C), 5 (-29 to -23°C), 6 (-23 to -18°C), 7 (-18 to -12°C), 8 (-12 to -7°C)
method of cultivation	non seedlings
poisonous or toxic	not poisonous plant
type of stem	erect
fragrant flower	no fragrance
shelter in winter	shelter is not required
plant height (cm)	higher 100 cm
flower size	large
frost resistance	frost resistance

*Some characteristics are relevant for a temperate climate

Flower Cup Plant. Rosinweed photo

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