Thaspium trifoliatum — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Thaspium trifoliatum

Thaspium Trifoliatum

Updated · 19 observations
ON THIS PLANT

Thaspium trifoliatum, commonly called meadow-parsnip, is a species of flowering plant in the carrot family (Apiaceae). It is native to eastern North America where it is found in many eastern U.S states (excluding the region of New England) and in Ontario, Canada. It has a broad natural habitat, which includes mesic to dry forests and woodlands, prairies, bluffs, and rock outcrops.

A note from PlantMom

Purple meadow-parsnip is fairly resistant to diseases and usually does not suffer from them. Nonetheless, it can be vulnerable to pests and diseases found in its environment. These issues are typically mild. For care, this plant needs moderate maintenance. It should be pruned regularly to keep a neat appearance and healthy growth. Fertilizing can also aid in encouraging flowering. Purple meadow-parsnip is suitable for anyone with outdoor space, such as a garden or patio, and does not require extensive experience in plant care. It may need more attention if grown indoors.

— PlantMom
CARE GUIDE

How to keep Thaspium Trifoliatum.

Light

Purple meadow-parsnip is native to habitats such as forest understories or rocky sites, where it occurs in natural shade. It prefers partial sun but can tolerate full sun or full shade, demonstrating its versatility and hardiness.

Temperature

Purple meadow-parsnip can tolerate a wide range of temperatures, but its distribution may still be restricted by particular combinations of moisture and heat. It does best in warm summer climates with sufficient rainfall or watering. Extended stretches of cloudy, rainy weather, as well as prolonged high temperatures, can raise the chance of Purple meadow-parsnip dying. In winter, adequate protection from cold can increase the plant's survival rate.

Fertilizer

The best time to fertilize a Purple meadow-parsnip is in early spring, as it comes out of dormancy and begins active growth. Fertilization supplies essential nutrients for healthy development. Although Purple meadow-parsnip has relatively low fertilizer requirements, applying fertilizer annually can improve its survival and encourage better, longer-lasting flowers.

Pruning

The Purple Meadow-Parsnip has trifoliate leaves and yellow-green flowers. Prune it from early to late spring to remove any damaged stems, which will enhance airflow and improve bloom vigor. Make your cuts just above a node to encourage new growth. Regular yearly pruning helps maintain the plant's compact form and overall health.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Thaspium
Family
Apiaceae
Hardiness Zone
4-8
Mature Height
30 cm to 76 cm
Mature Spread
30 cm to 46 cm
Leaf Color
Green, Dark Green
Leaf Type
Deciduous
Flower Size
0.25 cm to 0.51 cm
Bloom Time
Mid spring, Late spring, Early summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid summer, Late summer, Early fall
ALSO KNOWN AS

Other names.

en Purple Meadow-parsnip en Purple Meadowparsnip en Smooth Meadow-parsnip
PLATES
Thaspium trifoliatum leaf
PLATE 01 · leaf
Thaspium trifoliatum leaf
PLATE 02 · leaf
Thaspium trifoliatum flower
PLATE 03 · flower
Thaspium trifoliatum flower
PLATE 04 · flower
Thaspium trifoliatum habit
PLATE 05 · habit
ALSO IN THE LIBRARY

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