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Asclepias

Genus

Also called milkweed, milkweeds, milkweed genus

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Asclepias
Photo: R. A. Nonenmacher · CC BY-SA 4.0 · Wikimedia Commons

Fact sheet

every fact quoted from its source
TypePerennial

“Perennial in Zones 4–9.” — Pleurisy Root - Asclepias Seed | Johnny's Selected Seeds

Days to germination14–21 days

“14-21 days at 65-70°F (18-21°C)” — Growing Butterfly Weed (Asclepias) | Johnny's Selected Seeds

Days to maturity91–98 days

“91-98 Days to maturity.” — How to grow Asclepias — planting guide · GardenDraft

Germination temperature65–70 °F

“65-70°F (18-21°C)” — Growing Butterfly Weed (Asclepias) | Johnny's Selected Seeds

Watergrowing well in arid soils

“Grows well in arid soils.” — Pleurisy Root - Asclepias Seed | Johnny's Selected Seeds

Hardiness zones4–9

“Perennial in Zones 4–9.” — Pleurisy Root - Asclepias Seed | Johnny's Selected Seeds

Start indoors10 weeks before last frost

“~10 weeks before transplanting” — How to grow Asclepias — planting guide · GardenDraft

Ready when1/2 to 2/3 of flowers are open

“1/2 to 2/3 of flowers are open” — Growing Butterfly Weed (Asclepias) | Johnny's Selected Seeds

Edible partsRoots

“Medicinal: Roots are a respiratory expectorant and diaphoretic.” — Pleurisy Root - Asclepias Seed | Johnny's Selected Seeds

Who grows this

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1 species

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