Hairyjoint meadowparsnip (Thaspium barbinode)

Also known as: Hairy-jointed meadow-parsnip

Hairyjoint meadowparsnip, a North American native plant related to carrots and parsnips, has parsley-like leaves that are not safe for human consumption. However, it serves as an essential food source for Black Swallowtail butterfly larvae.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Hairyjoint meadowparsnip

Lifespan

Perennial

Plant Type

Herb

Plant Height

51 cm to 1.02 m

Spread

0.3 to 0.6 meter (1 to 2 feet)

Leaf Color

Green

Flower Size

2 to 4 millimeters

Flower Color

Yellow

Images of Hairyjoint meadowparsnip

Quickly Identify Hairyjoint meadowparsnip

Stiff hairs at stem branch points

Robust growth with clusters of light yellow flowers

Flat-topped umbels with small yellow petals

Oblong dark brown seeds with limited dispersal

Large compound leaves with toothed edges and hairy surfaces

Scientific Classification of Hairyjoint meadowparsnip

Phylum

Vascular plants

Class

Dicotyledons

Order

Apiales

Family

Umbellifers

Genus

Meadowparsnip

Species

Hairyjoint meadowparsnip

Planting and Growing of Hairyjoint meadowparsnip

Care Difficulty

Moderate

Watering Schedule

Every 4 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Hairyjoint meadowparsnip?

When watering Thaspium barbinode, aim to moisten the soil thoroughly but ensure it's well-drained. This plant thrives best when the soil is allowed to dry out slightly between waterings. The goal is to mimic its natural environment where brief wet periods are followed by longer dry spells.

What are the symptoms of an underwatered Hairyjoint meadowparsnip? ›

What should I do if my Hairyjoint meadowparsnip is not getting enough water? ›

What are the symptoms of an overwatered Hairyjoint meadowparsnip? ›

How to save an overwatered Hairyjoint meadowparsnip? ›

What Are the Sunlight Requirements for Hairyjoint meadowparsnip?

Sunlight Requirements: Partial sun, Full sun

Duration of light: 4 to 6 hours

Partial sun or dappled light, allowing it to photosynthesize effectively without stress from full direct exposure. This setup leads to healthier foliage and optimal growth.

What is the best location for lighting? ›

How to ensure consistent lighting conditions? ›

What should be avoided to protect the plant from lighting issues? ›

What Is the Ideal Temperature Range for Hairyjoint meadowparsnip?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Thaspium barbinode is between 60°F and 75°F. This range provides optimal conditions for growth and ensures the plant receives the right amount of warmth to maintain healthy development. Temperatures within this range support metabolic processes vital for the plant’s survival and blooming.

What Soil is Best for Hairyjoint meadowparsnip?

Soil type: Loam, Sand soil, Sandy loam

Soil PH: 6.5 ~ 7.5

Thaspium barbinode thrives in well-drained soils which prevent waterlogging and root rot. Adequate drainage allows roots to access oxygen efficiently, promoting healthy growth and robust flowering. This plant prefers soils with moderate fertility, providing enough nutrients for growth without overwhelming the plant. Balanced nutrient levels lead to vibrant leaves and improved resilience against pests. While it prefers well-drained soils, Thaspium barbinode also benefits from some moisture retention to sustain it during dry spells. This balance ensures consistent growth and flowering throughout the growing seasons.

How to Fertilize Hairyjoint meadowparsnip?

Fertilizer type: Balanced

For Thaspium barbinode, apply a balanced liquid fertilizer diluted to half strength. Use approximately 1 teaspoon per gallon of water. For slow-release fertilizers, spread 1-2 tablespoons around the plant base, ensuring even coverage to support steady growth.

How to Prune Hairyjoint meadowparsnip?

Pruning Time: Spring, Summer

Prune Thaspium barbinode primarily in the Spring and Summer to coincide with its active growing season. This timing allows the plant to quickly recover and stimulates healthier growth, especially after older, non-productive stems are removed. Start by identifying older stems with less foliage and use precise cuts to remove them close to the base without leaving stubs. Regular pruning every two months will redirect the plant's energy to developing new shoots and fuller foliage. More About Pruning Techniques→

How to Propagate Hairyjoint meadowparsnip plant?

Propagate Time: Spring, Early spring

Harvest seeds from mature Thaspium barbinode plants. Ensure seeds are dry and free of mold. Store them in a cool, dry place until you're ready to plant them.

In early spring, sow seeds in a well-draining seed tray filled with a mix of peat and sand. Cover lightly with soil and keep it moist until germination occurs.

In spring, carefully dig up mature plants and divide them using a spade. Ensure each section has sufficient roots attached, and replant them immediately to reduce stress.

More About Propagating Techniques→

How to Repot Hairyjoint meadowparsnip plant?

Repotting frequency: Every 2-3 years

Thaspium barbinode shows signs of needing repotting when its roots start to circle the pot's interior or emerge from drainage holes. Additionally, if growth appears stunted or soil drains too quickly, it's time for a new pot.

Select a pot that is one size larger than the current one, ensuring it has ample drainage holes. A slightly larger pot allows room for root expansion and reduces the risk of waterlogging, promoting a healthy root system.

Opt for a well-draining potting mix composed of loam, sand, and organic matter. This combination ensures proper aeration and moisture retention, fostering optimal root health and preventing root rot.