PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in open, unshaded meadow areas and tolerates sparse sunlight
Watering
Drought-tolerant; water only during extended dry periods to avoid waterlogging the shallow root system
Temperature
Extremely cold-hardy; survives subzero winters and tolerates hot, dry summer conditions
Characteristics
- Leaf: Arrowhead-shaped basal leaves with distinct red veins; upper stem leaves are narrow and linear
- Flower: Tiny greenish-red dioecious flowers in loose terminal spikes
- Stem: Slender, reddish-green branched stems arising from a deep taproot
Care Guide
Watering
Water occasionally during prolonged dry spells to prevent wilting
Fertilization
No regular fertilization needed; avoid nitrogen-rich feeds to prevent excessive growth. Fertilizer can encourage invasive spread in favorable conditions
Eggshell powder topdressing：Crush dried, sterilized eggshells into fine powder; sprinkle lightly around plant bases to add calcium without stimulating aggressive growthPruning
- Trim back spent flower spikes to reduce self-seeding and limit invasive spread
- Remove dead or yellowed foliage in early spring to promote new growth
- Thin overcrowded clumps every 2–3 years to improve air circulation and reduce competition
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects
Humans: Contains low levels of oxalates; large ingestion may cause mild gastrointestinal upset or kidney irritation in sensitive individuals
Garden Uses & Culture
Culture: N/A
Usage: Edible foliage with tangy, lemon-like flavor for salads, soups, or herbal teas; traditional medicinal use for mild inflammation
