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Thaspium trifoliatum flavum Meadow Parsnip

$3.50 - $12.00
Thaspium trifoliatum flavum

Meadow Parsnip

$3.50 - $12.00

Packet
$3.50
1/8 oz.
$7.50
1/4 oz.
$12.00

Bare Root Plants
Out of Stock

Thaspium trifoliatum has two varieties - var. trifoliatum, which has dark maroon flowers, and var. flavum, which has yellow flowers. Meadow Parsnip is a member of the Carrot (Apiaceae) family with yellow umbel flowers. Our website also features the following species with similar blossoms: Taenidia integerrima (Yellow Pimpernel), Polytaenia nuttallii (Prairie Parsley) and Zizia aurea (Golden Alexanders). Meadow Parsnip is especially difficult to tell apart from Zizia spp. because their flowers are so similar, and the distinguishing basal leaves that differentiate these plants are generally not growing when in flower. The foliage of Meadow Parsnip is consumed by Black Swallowtail larvae and Ozark Swallowtail larvae, as it is one of the several host plants to these butterflies.

All of these important perennial native plants should not be confused with the similar-looking Pastinaca sativa (Wild Parsnip), a highly invasive Eurasian biennial commonly found on roadsides and other disturbed sites. Wild Parsnip is taller than the aforementioned natives, blooms later, and can cause painful skin burns.
   
Live Plant Shipping Table

Spring Fall Age/Size
Dormant Bare Roots
April/May October 1 year

Details

Seeds/Packet
100
Seeds/Ounce
7,500
Germination Code
C(120)
G
M
Life Cycle
Perennial
Sun Exposure
Full, Partial, Shade
Soil Moisture
Medium, Medium-Dry
Height
2 feet
Bloom Time
May, June, July
Bloom Color
Yellow
Advantages
Pollinator Favorite: butterflies, moths, bees, wasps, beetles
USDA Zones
4-8
Plant Spacing
12-18"
Catalog Code
THA52F