Host an Event Volunteer Join Tickets

Support the plant database you love!


Wildflower Center Seed Bank

The Wildflower Center's Seed Bank was established in partnership with the Bureau of Land Management's (BLM) Seeds of Success (SOS) program in concert with the Royal Botanic Gardens, Kew Millennium Seed Bank Program (MSBP). The purpose of the Seed Bank is to collect, conserve, and develop native plant materials for stabilizing, rehabilitating and restoring lands in Texas and the United States.

Search Seed Bank
Show All Accessions

To request seed from the Wildflower Seed Bank, please contact the Seed Bank Curator.


Asclepias viridis

Asclepias viridis Walter

Green Milkweed, Spider Milkweed

Asclepiadaceae (Milkweed Family)
USDA Symbol: ASVI2

Accession Data

Accession Number: LBJWC-1710

Field Data Form: LBJWC-1710.pdf
Collection Date: 2015-08-16
Accession Number: LBJWC-1710
Organization: LBJWC
Collector(s): Lady Bird Johnson Wildflower Center
Collected with: M. Marr

Location Data

Country: USA
Phytoregion: 32
Phytoregion_full: Texas Blackland Prairies
State: TX
County: Hays
Municipality: Buda
Geog_area: Colorado River Basin, Onion Creek
Location: Buda. East of I-35 and south of FM 2001

Latitude: 30.071278
Longitude: -97.821278
Altitude: 721 ft
land_owner: McAllister & associate Real Estate, StarTex Real Estate
permission: yes

Habitat Data

Associated Taxa: Forbs: Polytaenia nuttallii, Dalea enneandra, Monarda citriodora Grasses: Bothriochloa laguroides, Bouteloua curtipendula, Sorghum halepense Saplings: Sideroxylon lanuginosum, Prosopis glandulosa, Celtis laevigata
Modifying Factors: mowed
Land Form: ridge
Land Use: Old pasture land that will be developed
Slope: 2
Aspect: NA
Geology: Calfcareous mudstone
Soil Texture: Clay (Houston black)
Soil Color: gray

Collection Data

Plants Sampled: 58
Population Size: 100+
Area Sampled: 30
Area Unit: acres
Seed From: plants
Habit: forb
Height: 1.5 ft
Use: Seed increase to support monarch conservation

Inventory Data

NCGRP: 500 seeds
LBJWC: 500 seeds
Other: 4000 seeds
Return to List