Prairie Smoke (Geum triflorum)

Also known as: Old Man's Whiskers

Prairie Smoke (*Geum triflorum*) is a perennial that showcases clusters of nodding, pinkish-red flowers in late spring to early summer. The flowers, appearing in groups of three, remain closed like buds until pollinated by bees. After pollination, the flowers become upright and eventually give way to feathery seed heads. These seed heads transition from a pink hue to a golden color as they dry and mature.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Prairie Smoke

Lifespan

Perennial

Plant Type

Herb

Plant Height

20 cm to 51 cm

Spread

30 cm

Leaf Color

Green

Flower Size

2.5 cm

Flower Color

Red Purple White Pink

Images of Prairie Smoke

Quickly Identify Prairie Smoke

To identify Geum triflorum, look for its characteristic feathery seed heads. The plant has pinnate leaves with multiple leaflets and a basal rosette. The flowers are usually nodding and bell-shaped, transitioning from dark pink to smoky, plume-like heads as they mature.

Scientific Classification of Prairie Smoke

Phylum

Vascular plants

Class

Dicotyledons

Order

Rosales

Family

Rose

Genus

Avens

Species

Prairie Smoke

Planting and Growing of Prairie Smoke

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

50-75℉

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 Prairie Smoke?

When watering Geum triflorum, it’s best to provide about 250 ml each time, aiming to soak the soil thoroughly until water begins to drain out of the bottom. These plants prefer their soil to be consistently moist but not waterlogged. Adjust the amount according to the soil's water retention capacity.

What are the symptoms of an underwatered Prairie Smoke? ›

What should I do if my Prairie Smoke is not getting enough water? ›

What are the symptoms of an overwatered Prairie Smoke? ›

How to save an overwatered Prairie Smoke? ›

What Are the Sunlight Requirements for Prairie Smoke?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 4 to 6 hours

Preferring full to partial sun, Geum triflorum thrives with optimal sunlight exposure. Receiving 4 to 6 hours daily ensures strong photosynthesis, resulting in robust growth and prolific flowering periods.

What kind of sunlight does Geum triflorum prefer? ›

How do I ensure my Geum triflorum gets ideal sunlight? ›

What are the benefits of ideal sunlight for Geum triflorum? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Prairie Smoke?

Ideal Temperature: 50 ~ 75℉

The ideal temperature range for Geum triflorum is between 50°F and 75°F. This temperature range allows the plant to thrive, ensuring healthy growth and optimal flowering. Maintaining these temperatures supports its native habitat conditions, providing a balance between warmth and coolness.

What Soil is Best for Prairie Smoke?

Soil type: Sandy loam, Loam

Soil PH: 6.5 ~ 7.5

Geum triflorum thrives in well-drained soil that allows excess moisture to escape, preventing root rot. Ensuring your soil has excellent drainage is critical for the plant's health and longevity. Moderately fertile soil is ideal for Geum triflorum, as it supports steady growth without overwhelming the plant with nutrients that could lead to leggy stems. While requiring well-drained soil, Geum triflorum also benefits from soil that retains adequate moisture to support its growth, ensuring it receives enough water between rainfall events.

How to Fertilize Prairie Smoke?

Fertilizer type: Balanced

For Geum triflorum, it's important not to over-fertilize. Use a balanced fertilizer diluted to half-strength. For liquid fertilizer, mix 1 teaspoon with a gallon of water and apply sparingly. Slow-release granular fertilizers can be applied at a rate of about 1-2 pounds per 100 square feet.

How to Prune Prairie Smoke?

Pruning Time: Spring, Summer

Prune Geum triflorum in early spring or after its blooming period to encourage a second round of blooming. Cut back the flowering stems by about one-third to stimulate bushier growth and extra blooms. If you desire more plants or wish to propagate, leave some seed heads intact. Otherwise, trim them to prevent self-seeding. Removing spent blooms can tidy up the plant and encourage ongoing bloom production. More About Pruning Techniques→

How to Propagate Prairie Smoke plant?

Propagate Time: Early spring, Autumn

Prior to planting, prepare soil by loosening it and removing any weeds. Add organic compost to improve nutrient content and ensure the soil drains well, as Geum triflorum prefers soil that is not waterlogged.

Sow Geum triflorum seeds on the surface of the soil, gently pressing them down. Cover with a thin layer of soil or sand to maintain humidity and exposure to light for germination.

For division propagation, carefully dig up the mother plant. Use a clean tool to separate the roots into smaller clumps, each with ample roots, and plant them immediately in prepared soil.

More About Propagating Techniques→

How to Repot Prairie Smoke plant?

Repotting frequency: Every 2-3 years

Geum triflorum should be repotted when you observe roots trailing out of the drainage holes. Additionally, if the plant appears crowded or growth seems stunted, it's a sign that the roots need more space. Spring and Autumn are ideal seasons for repotting, as they provide optimal conditions for recovery and growth.

Select a pot only slightly larger than the current one, with ample drainage holes. The pot material can be terracotta, which allows for better moisture control, or plastic, which is lightweight and retains moisture longer. Choosing correctly prevents root rot and enhances healthy growth.

For Geum triflorum, a well-draining soil mix is crucial. This can be achieved by mixing garden soil with organic matter and sand. This soil type will ensure adequate drainage and aeration, preventing waterlogging and promoting robust root development.