Tall Hairy Agrimony (Agrimonia gryposepala)

Also known as: Tall hairy grooveburr, Hooked agrimony

Tall Hairy Agrimony (Agrimonia gryposepala) is a perennial plant reaching heights of 30 to 152 cm. It features bright yellow flowers that bloom from summer to fall. The plant's hypanthium is covered in hooked bristles, giving it a hairy appearance. Upon maturation, the fruit opens to release seeds.

For optimal growth:
1. **Light:** Prefers partial shade.
2. **Soil:** Thrives in moist, well-drained soil.
3. **Water:** Requires moderate watering, avoiding overly wet conditions.
4. **Height:** Grows between 30 to 152 cm tall.
5. **Blooming Period:** Flowers from summer to fall.

Maintain consistent moisture and provide mulch to aid in water retention and weed control.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Tall Hairy Agrimony

Lifespan

Perennial

Plant Type

Herb

Plant Height

30 cm to 1.5 m

Spread

45 cm

Leaf Color

Green

Flower Size

6 mm

Flower Color

Yellow

Images of Tall Hairy Agrimony

Quickly Identify Tall Hairy Agrimony

Tall Agrimony can be identified by its long, slender stems covered with small hooked bristles, its pinnate leaves with serrated edges, and its spikes of small yellow flowers. The seed heads are also distinctively hooked, aiding in seed dispersal by attaching to passing animals.

Scientific Classification of Tall Hairy Agrimony

Phylum

Vascular plants

Class

Dicotyledons

Order

Rosales

Family

Rose

Genus

Agrimony

Species

Tall Hairy Agrimony

Planting and Growing of Tall Hairy Agrimony

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

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 Tall Hairy Agrimony?

Agrimonia gryposepala prefers to be watered moderately, ensuring the soil remains consistently moist but not waterlogged. Aim to water with about 500 ml each time, ensuring the top inch of soil is dampened without excess runoff.

What are the symptoms of an underwatered Tall Hairy Agrimony? ›

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What Are the Sunlight Requirements for Tall Hairy Agrimony?

Sunlight Requirements: Partial sun

Duration of light: 4-6 hours daily

Agrimonia gryposepala thrives best with partial sun exposure. Adequate lighting helps its photosynthesis process, leading to healthy growth and vivid foliage while reducing risks of light-induced stress.

How much light does Agrimonia gryposepala prefer? ›

How to achieve ideal lighting for Agrimonia gryposepala? ›

What are the benefits of ideal lighting for Agrimonia gryposepala? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Tall Hairy Agrimony?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Agrimonia gryposepala is between 60 and 75 degrees Fahrenheit. This range supports optimal growth and flowering, providing adequate warmth without the risk of heat stress. Maintaining temperatures in this range ensures that the plant can carry out its metabolic activities efficiently, leading to vigorous growth and robust health.

What Soil is Best for Tall Hairy Agrimony?

Soil type: Loam, Sandy loam, Sand soil

Soil PH: 5 ~ 7.5

Agrimonia gryposepala thrives best in well-drained soil that prevents water from pooling at the roots. This drainage capability is vital for reducing the risk of root rot and ensuring the roots receive the oxygen they need to stay healthy. Ensuring a nutrient-rich soil composition allows the plant to access essential nutrients required for growth and reproduction. This can be aided by the addition of organic matter such as compost, which boosts soil fertility and supports robust plant health. The soil should retain enough moisture to keep roots hydrated without becoming waterlogged. This balance helps Agrimonia gryposepala survive during dry spells while preventing the ill effects of excessive wetness, such as mold growth.

How to Fertilize Tall Hairy Agrimony?

Fertilizer type: Balanced

When fertilizing Agrimonia gryposepala, it is important to use a balanced fertilizer. Liquid fertilizers should be diluted to half the recommended strength, ensuring the plant receives nutrients without the risk of burning the roots. For granular fertilizers, apply approximately 1 ounce per square foot, spread evenly around the base of the plant.

How to Prune Tall Hairy Agrimony?

Pruning Time: Spring, Summer

When pruning Agrimonia gryposepala, it's essential to use sharp and clean pruning shears. This ensures that you make precise cuts, reducing the risk of damaging the plant or spreading diseases. Sterilize your tools with alcohol before pruning. Carefully inspect the plant to identify dead, damaged, or diseased stems. Remove these first to allow the plant to focus its energy on healthy growth. Additionally, target any branches that are growing inward and crowding the plant's center. When cutting, aim to make clean, angled cuts just above a leaf node or bud. This encourages new growth and helps the plant recover quickly. Avoid leaving stubs, as they can attract pests and diseases. Prune back selected stems to maintain a balanced and attractive shape. Agrimonia gryposepala benefits from some thinning, which opens up the plant's center and improves air circulation, reducing the likelihood of mold and mildew. More About Pruning Techniques→

How to Propagate Tall Hairy Agrimony plant?

Propagate Time: Spring, Early summer

For successful germination, it’s essential to clean and prepare the seeds of Agrimonia gryposepala properly. This may involve soaking them overnight or providing a cold stratification period to break dormancy.

Sow the seeds thinly across the surface of the seed trays filled with potting mix. Lightly press them into the mix to ensure good contact but do not bury them deeply as they require some light to germinate.

Maintain consistent moisture in the seed trays, ensuring they’re not waterlogged. Place the trays in a warm, bright location but out of direct sunlight to ensure optimal germination conditions.

More About Propagating Techniques→

How to Repot Tall Hairy Agrimony plant?

Repotting frequency: Every 2-3 years

Agrimonia gryposepala should be repotted when you notice that its roots are beginning to outgrow the current container or poking through the drainage holes. Additionally, if the plant seems to be stunted or not thriving despite optimal care, it might signify that it's time for a new pot and soil renewal. The ideal time for repotting is usually in the spring or early autumn when the plant is not in its active growing or flowering phase.

Select a pot that provides good drainage and is only slightly larger than the current one to prevent overwatering and root rot. An ideal pot will have several drainage holes and be made from breathable materials like terracotta. This will ensure that excess water can escape easily, and the roots receive adequate airflow, promoting a healthier root system for Agrimonia gryposepala.

Opt for a well-draining, loamy soil mix to replace the old substrate. This type of soil provides the right balance of moisture retention and aeration, which is crucial for this plant. A loamy mix typically contains sand, silt, and clay in a balanced proportion, which helps in maintaining the ideal moisture level and prevents waterlogging, supporting healthy root growth.