Common agrimony (Agrimonia eupatoria) care guide

Common agrimony is the accepted common name for Agrimonia eupatoria, an upright herb in the rose family, Rosaceae. It produces slender spikes of small yellow flowers and hooked fruits that can cling to clothing or animal fur.

Common agrimony is generally an annual or biennial rather than a dependable long-lived perennial. Its presence in a garden often depends on successful self-seeding.

Common agrimony typically forms an upright, branching herb roughly 1 to 3 feet tall, although height varies with soil, light, and competition. Its flower spikes rise above pinnate leaves with smaller leaflets between the larger ones.

Yes, common agrimony belongs to Rosaceae, the rose family. Its pinnate leaves, five-petaled flowers, and small hooked fruits reflect relationships shared with other members of this family.

Look for an upright herb with pinnate leaves, small yellow five-petaled flowers on slender spikes, and burr-like fruits covered with hooked bristles. Identification should be checked against regional Agrimonia species because native agrimonies can look similar.

Common agrimony grows best in full sun but also tolerates partial shade. More sunlight generally supports stronger stems and better flowering, provided the soil does not become excessively dry.

Use well-drained loam or sandy loam for Agrimonia eupatoria. It can tolerate relatively lean ground, but constantly wet or poorly drained soil may cause weak growth or root problems.

Agrimonia eupatoria is a cold-hardy herbaceous plant across suitable temperate conditions. Winter survival can vary because individual plants may behave as annuals or biennials rather than returning from a permanent crown.

Yes, common agrimony can grow in partial shade, especially where the soil is well drained. It usually flowers more strongly with several hours of direct sunlight each day.

Common agrimony is native from Macaronesia and Europe through parts of western and central Asia and northwestern Africa. It commonly occupies grasslands, pastures, woodland edges, clearings, roadsides, and other open disturbed habitats.

Common agrimony is not native to the United States; it is an introduced species recorded in several states. Do not confuse it with native North American agrimonies such as tall agrimony or downy agrimony.

Water common agrimony moderately while it is establishing, then allow the soil to dry somewhat between waterings. Established plants usually need supplemental water only during prolonged heat or drought.

Common agrimony has relatively low to moderate water needs and can handle short dry periods once established. Extended drought, especially in full sun and sandy soil, can reduce vigor and flowering.

The main cultural problems are poor growth from waterlogged soil, stress from prolonged drought, and unwanted spread from hooked seed heads. Good drainage, moderate watering, and timely removal of spent spikes usually address these issues.

Sow common agrimony outdoors in fall or early spring, using a prepared, weed-free bed. Fall sowing can provide natural winter chilling, while spring sowing is useful where winter conditions are severe or seed may wash away.

Press common agrimony seeds onto the soil surface or cover them only very lightly. Small seeds often germinate poorly when buried deeply, so maintain good seed-to-soil contact without adding a thick layer of soil.

Common agrimony can be grown in a container if it has a deep enough pot, drainage holes, and a loose, well-drained potting mix. Container plants dry out faster than in-ground plants and may need more frequent watering.

Yes, common agrimony can self-seed after flowering. Its burr-like fruits have hooked bristles that attach to animals, clothing, and other surfaces, so remove developing seed heads if you want to limit spread.

Sow common agrimony seed in well-drained soil and keep it lightly moist until germination. Because the plant is commonly propagated by seed and may have variable germination, sowing more than one seed is practical.

Cold stratification may improve or synchronize germination of common agrimony, but requirements can vary by seed lot and source. A short period of moist chilling is a reasonable approach when direct sowing produces poor results.

Common agrimony does not require routine pruning for health. Cut stems back after flowering if you want a tidier appearance or want to prevent the hooked fruits from spreading seed.

Common agrimony is introduced in parts of the United States, but its invasive status is not uniform nationwide. Check your state or county invasive-plant database before planting, and remove seed heads where naturalization is a concern.

The toxicity of Agrimonia eupatoria to dogs and cats is not well established. Keep pets from eating unfamiliar plant material and contact a veterinarian or animal poison service if ingestion causes symptoms.

Common agrimony has a history of traditional herbal use, but safety data for the plant and its preparations are limited. Do not use it medicinally or as a tea during pregnancy, while taking medication, or for a medical condition without professional guidance.

Common agrimony has been used traditionally in herbal preparations, especially from its flowering aerial parts. Traditional use does not establish effectiveness or safety, and modern evidence and toxicology remain limited for many preparations.

Common agrimony generally blooms in summer, with small yellow flowers opening progressively along elongated spikes. Exact timing varies by climate and growing conditions in the United States.

The flowers are small, yellow, and typically five-petaled, arranged along narrow upright spikes. They are individually modest but create a distinctive wandlike appearance when the plant is in bloom.

Common agrimony flowers can provide nectar and pollen for visiting insects, including bees and other small pollinators. Its value is greatest in informal borders, meadow-style plantings, and other habitat-focused gardens.