PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates drought once established and performs best in open, sunny locations
Watering
Water deeply when the top 5 cm of soil is dry; avoid overwatering to prevent root rot in poorly drained soils
Temperature
Extremely cold-hardy; withstands summer heat up to 35°C with occasional deep watering during prolonged dry spells
Characteristics
- Leaf: Finely dissected, feathery, aromatic green leaves arranged alternately along stems
- Flower: Flat-topped corymbs of tiny daisy-like blooms in white, pink, yellow, or red
- Stem: Erect, hairy, green to reddish-brown stems branching near the top
Care Guide
Watering
Water weekly during extended dry spells; reduce frequency in rainy periods to avoid waterlogging
Fertilization
Apply diluted balanced organic feed once monthly. Avoid high-nitrogen fertilizers that can reduce bloom quantity
Composted banana peel tea：Steep 1 fully composted banana peel in 4 L of water for 24 hours; dilute 1:1 with clean water before drenching soil to avoid nutrient burnPruning
- Deadhead spent flower clusters regularly to encourage continuous blooming through the growing season
- Cut back stems to 10 cm above soil level in late autumn to promote winter hardiness and tidy garden beds
- Thin overcrowded clumps every 2–3 years in early spring to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxic effects for humans when used appropriately
Garden Uses & Culture
Culture: Associated with the Greek hero Achilles, who used yarrow to treat soldier wounds in mythology
Usage: Ornamental cottage garden plant; traditional medicinal herb for minor wound care and reducing inflammation
