Vernonia gigantea (Giant Ironweed) [25 Seeds]

$3.95

Germination Information: I recommend these seeds only for seeds that benefit from or require a chilling period. The easiest approach is to surface-sow them in a pot in fall to early winter, setting them outdoors in a spot protected from mice so they can get a natural chilling period and then germinate when conditions are right in spring.

If you sow after December, give the pot an artificial chilling period of about 2 months.

It is possible that these seeds could germinate (though perhaps at a less than optimal rate) if you sow them in warm, moist, bright conditions. But if you try that and no seedlings appear within 2 weeks or so, then try the artificial chilling period.

Note that this information will not be on the seed packet you receive.

Please read the description as well before ordering.

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Description

One look at either the common or botanical name of this plant tells you pretty much everything you need to know: giant ironweed (Vernonia gigantea, formerly V. altissima) is an exceptionally tall ironweed species, easily reaching 8 feet tall by the end of summer. Like other ironweeds, it’s a butterfly magnet, with showy clusters of vibrant purple flowers in late summer. Giant ironweed is a marvelous companion for other tall late-season perennials, such as Joe-Pye weed (Eutrochium maculatum) and perennial sunflowers (Helianthus), and warm-season ornamental grasses, such as Indian grass (Sorghastrum nutans). U.S. native.  Full sun. Perennial; Zones 4 to 9.

Collected in early October 2021. At least 25 seeds.

Please read the germination information as well before ordering.

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