Vernonia Species, Ironweed, Missouri Ironweed

Vernoniamissurica

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Vernonia (ver-NON-ee-uh)
Species
missurica (mis-SUR-ee-ka)
Synonym
Vernonia aborigina
Vernonia drummondii
Vernonia michiganensis
Vernonia reedii
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
4-6 ft. (1.2-1.8 m)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
N/A
Bloom Color
Medium Purple
Bloom Time
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Longview, Texas

Pearisburg, Virginia

Featured Videos

Gardener's Notes:

1
positive
0
neutral
0
negative
Sort By:
Sort By:
J
J
Longview, TX | August 2011 | positive

This plant is native to east texas. Have seen monarchs
and spicebush swallowtails nector on it frequently.

Featured
Agave Snout Weevil
(Scyphophorus acupunctatus)
Singing Honeyeater
(Gavicalis virescens)
Featured
Agave Snout Weevil
(Scyphophorus acupunctatus)
Singing Honeyeater
(Gavicalis virescens)