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Milkweed Seeds In A Cup® Grow Kit

Asclepias syriaca

From the first seed to the next new leaf. Explore your plant’s growing conditions, seasonal rhythm, and everyday care.

THE PLANT NOTEBOOK

Milkweed care, from seed onward.

Botanical name
Asclepias syriaca
Common names
Common Milkweed
Family
Apocynaceae
Genus
Asclepias
Species
A. syriaca
01

Start growing

Extremely easy. Full sun is required. Spreads by deep underground rhizomes.

02

Growing with your kit

The Seeds In A Cup® kit provides a 'Home Base' for Monarchs—teaching students the critical link between plants and pollinators.

03

Propagation

By seed (needs cold) or rhizome division.

04

Seasonal growth & harvest

Essential and exclusive host plant for Monarch butterfly caterpillars.

05

Growing conditions

Fields, roadsides, and open sunny areas.

06

Weather & tolerances

High drought and heat tolerance.

07

Pests & plant health

Oleander aphids (bright orange).

08

Plant safety

Sap is toxic if ingested and can be a skin/eye irritant; bitter taste protects caterpillars from birds.

09

Botanical features

A hardy perennial with large oval leaves and ball-like clusters of fragrant pink-purple flowers.

10

Varieties

Standard native species.

11

Garden & everyday uses

Sustain Monarch butterfly populations. seed fluff used for textile insulation during WWII

12

Native range & distribution

Native to North America, east of the Rockies.

13

Conservation

Critically important for Monarch butterfly survival; residential planting is strongly encouraged.

14

Name origins

Named after Asclepius, the Greek god of healing; 'Milkweed' refers to its milky white sap (latex).

15

History

Milkweed fluff was the primary life-preserver filler for US Navy sailors in WWII after kapok supplies were cut.

TURN KNOWING INTO GROWING

Your next beginning, in a cup.

There is no confirmed kit match for milkweed in the current catalog. Explore the collection or ask us about this plant.

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THE GROWING CONVERSATION

Questions grow here.

Have a question about milkweed? Ask Buddy below or contact our team.