À propos Milkweed Syriaca (common)
Syriaca milkweed (common) is an undemanding plant that thrives in poor soil. It is native. It is essential to the life cycle of the Monarch butterfly by housing and feeding its caterpillar before its migratory journey. Milkweed is the only plant species on which female monarchs lay their eggs and feed on them.
Plant height: 90 to 120 cm. Flowering in June and July.
Stratification required for spring germination or sow in the fall without stratification. Produced in Varennes by Planète SOS in Culture Nature.
This plant can be invasive!
Growing tips for Milkweed Syriaca (common)
Family
Apocynaceae (Asclepias syriaca)
Growing cycle
Perennial
Suggested sowing
Exterior | Interior
Suggested time*
Outdoor sowing (May and October) | Indoors (end of April)
Ideal germination temperature
From 15 to 21℃
Germination time
3 to 7 days
Sowing depth
Three times the size of the seed.
Seed storage
In a dry place away from light.
Seed shelf life
2 years minimum
Exposure
partial shade|sun
Days to maturity*
80 days
Distance between plants
30 cm
*The suggested time concerns zone 4b. For zone 5 you can start 2 weeks earlier and in zone 3 delay by 2 weeks. The number of days indicated is calculated from planting in the garden.
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