Calthaleaf avens (Geum calthifolium)

Also known as: Marsh Cinquefoil, Goldthread Avens

Calthaleaf avens (Geum calthifolium) flourish in moist meadows, boggy areas, and wet, sloping terrains. They can also occasionally be found growing among rocks. These plants showcase yellow, heart-shaped petals during the summer, making them popular in gardens due to their extended blooming season.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Calthaleaf avens

Lifespan

Perennial

Plant Type

Herb

Plant Height

8 cm to 40 cm

Spread

20-30 cm (8-12 inches)

Leaf Color

Green

Flower Size

2 cm

Flower Color

Yellow

Images of Calthaleaf avens

Quickly Identify Calthaleaf avens

Geum calthifolium can be identified by its yellow, cup-shaped flowers and basal leaves that resemble those of a buttercup. The plant typically has hairy stems and grows in clumps.

Scientific Classification of Calthaleaf avens

Phylum

Vascular plants

Class

Dicotyledons

Order

Rosales

Family

Rose

Genus

Avens

Species

Calthaleaf avens

Planting and Growing of Calthaleaf avens

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Partial sun

Sunshine Duration

6-10 hours

Ideal Temperature

50-68℉

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

Terracotta, Plastic

How to Water Calthaleaf avens?

Geum calthifolium requires consistent soil moisture without becoming waterlogged. Water approximately 300 ml each time, ensuring the soil is evenly moist but not drenched. The goal is to maintain a damp soil texture, similar to a wrung-out sponge.

What are the symptoms of an underwatered Calthaleaf avens? ›

What should I do if my Calthaleaf avens is not getting enough water? ›

What are the symptoms of an overwatered Calthaleaf avens? ›

How to save an overwatered Calthaleaf avens? ›

What Are the Sunlight Requirements for Calthaleaf avens?

Sunlight Requirements: Partial sun

Duration of light: 4 to 6 hours

Partial sun is ideal, offering a balance between energy and protection from high intensity. It fosters vigorous plant growth, optimal flowering, and overall health.

Question: What is the best light condition for Geum calthifolium? ›

Question: What are the specific benefits of partial sun for Geum calthifolium? ›

Question: How can I create the optimal light conditions indoors? ›

What Is the Ideal Temperature Range for Calthaleaf avens?

Ideal Temperature: 50 ~ 68℉

Geum calthifolium thrives optimally in temperatures ranging from 50°F to 68°F. This range provides the necessary warmth for metabolic processes without the stress from excessive heat, making it conducive for healthy photosynthesis and growth.

What Soil is Best for Calthaleaf avens?

Soil type: Sandy loam, Loam, Sandy soil

Soil PH: 6.5 ~ 7.5

Geum calthifolium flourishes in soil with excellent drainage, which prevents root rot. Well-drained soil ensures that the roots receive the oxygen they need to stay healthy and prevents waterlogging, making it essential for robust growth. This plant requires soil with moderate fertility, as overly rich soil can lead to excessive foliage growth at the expense of blooms. This balanced nutrient availability supports steady growth and vibrant flower production. While good drainage is crucial, maintaining adequate moisture is equally vital. Sandy loams are perfect as they retain sufficient moisture, ensuring the plant's roots do not dry out quickly in between waterings.

How to Fertilize Calthaleaf avens?

Fertilizer type: Balanced

For Geum calthifolium, the fertilization amount should be moderate, ensuring the soil is enriched without overwhelming the plant. Liquid fertilizers should be used in a diluted form, typically at half strength, to provide a gentle nutrient boost without causing harm. A slow-release fertilizer should be applied sparingly, no more than the recommended amount on the product label, to avoid nutrient overload.

How to Prune Calthaleaf avens?

Pruning Time: Spring, Summer

Start by removing any dead or diseased stems. This will not only improve the plant's appearance but will also help it divert energy to healthier parts, boosting overall vitality. Gently shape the plant by cutting back long, straggly stems. Aim for a rounded, compact form that will encourage more uniform growth and a pleasing appearance. After the flowering season, lightly trim the plant to encourage new blooms the following year. This also helps in maintaining plant vigor and controlling its size. More About Pruning Techniques→

How to Propagate Calthaleaf avens plant?

Propagate Time: Spring, Late spring, Early spring, Summer

Fill seed trays with a high-quality seed starting mix, ensuring the soil is well-drained to avoid waterlogging. Moisten the soil slightly before sowing the seeds evenly on the surface.

Using pruners, take a 3-4 inch cutting from a healthy stem of the plant. Remove the lower leaves, leaving at least two leaves on the cutting. Dip the cut end in rooting hormone to enhance root development.

Gently dig up the mature plant and carefully separate the root clumps. Ensure that each clump has at least one growing point or shoot. Replant each division promptly in well-prepared soil or containers.

How to Repot Calthaleaf avens plant?

Repotting frequency: Every 2-3 years

The best time to repot Geum calthifolium is when its roots become visible through the drainage holes or when it shows signs of being root-bound. Another sign is the emergence of compacted soil that restricts water absorption. Pay attention to its growth; if the plant seems stunted, it might be time to consider a larger pot.

Select a pot that is one size larger than the current one, with adequate drainage holes. The new pot should allow a bit of growing space to accommodate root expansion. This helps prevent waterlogging, which can lead to root rot. A wider pot also provides stability and more nutrient access, promoting overall health.

Choose a well-draining, rich potting mix such as loam or a mixture with equal parts potting soil, peat, and perlite. These components ensure that the soil retains sufficient moisture while still allowing excess water to escape. The right soil offers a balanced environment, crucial for healthy growth and sustained blooming.