Paprika yarrow (Common yarrow 'Paprika') care

Light

Paprika yarrow needs sun on the leaves, not just bright ambient room light. Full sun is essential — at least 6 hours daily. Shade causes weak, floppy stems and muted flower colour. The intense red pigmentation of 'Paprika' is best preserved in full sun; the natural fading to yellow-orange with age is a characteristic feature, not sun damage. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water paprika yarrow water when top 5–8 cm of soil is dry; drought-tolerant once established. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Highly drought-tolerant once established. Prefers dry to moderately moist, well-drained conditions. Overwatering or boggy soils cause root rot and floppy stems. One of the few ornamental perennials that genuinely thrives on neglect in dry, sunny borders.

Soil and pot

Paprika yarrow grows best in lean to average, well-drained sandy loam or loam; ph 5.5–7.0. Thrives in poor to average soils; rich, fertile soil promotes lush, floppy growth and reduces drought resistance. Well-drained soil is non-negotiable — the roots will not tolerate waterlogging, particularly in winter. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Paprika yarrow sits happiest at around Low to moderate — 30–55% RH humidity and -40°C to 35°C (-40°F to 95°F). Naturally adapted to open, sunny, dry habitats. High humidity increases powdery mildew risk. Excellent for dry continental and Mediterranean-style gardens; in humid climates ensure excellent drainage and airflow. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed paprika yarrow sparingly. Do not fertilise in nutrient-rich soils. In very poor or sandy soils, one light application of balanced slow-release fertiliser in spring is acceptable. Excess nitrogen causes floppy, disease-prone plants with fewer flowers. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on paprika yarrow in the Growli community. Each is annotated with the most common cause so you know where to start.

• Flopping stems — Stems become lax in rich soil, shade, or when overwatered. Avoid fertile soils and ensure full sun. Use grow-through supports if flopping is a problem, or plant in groups where neighbouring plants provide mutual support.
• Powdery mildew — White powdery coating on foliage, most common in dry spells following wet periods or in humid conditions. Improve air circulation and avoid overhead watering. Cut back affected plants hard after flowering to encourage fresh, healthy growth.
• Aggressive spreading — Spreads by creeping rhizomes and self-seeding, potentially becoming invasive in ideal conditions. Deadhead promptly after flowering to limit seeding; divide and reduce the clump every 2–3 years in spring.

Propagation

Divide clumps in spring or autumn every 2–3 years; sections root readily. Propagate by stem cuttings taken in spring from new basal growth. Seed can be sown indoors at 18–21°C (65–70°F) in late winter — species type will come true from seed, but named cultivars such as 'Paprika' are best maintained by division to preserve colour. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Paprika yarrow is mildly toxic to pets. Achillea millefolium is listed by the ASPCA as toxic to dogs, cats, and horses. Toxic principles include glycoalkaloids (achillein), monoterpenes, and sesquiterpene lactones. Clinical signs include vomiting, diarrhoea, drooling, anorexia, and dermatitis. Not life-threatening in typical garden exposure but contact your vet if ingestion is suspected. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Paprika yarrow deep-dive guides

Every aspect of paprika yarrow care, each with its own calibrated guide:

• Paprika yarrow watering schedule
• Paprika yarrow light requirements
• Best soil mix for paprika yarrow
• Paprika yarrow fertilizing guide
• When to repot paprika yarrow
• How to propagate paprika yarrow
• Paprika yarrow growth rate & size
• Paprika yarrow cold hardiness
• Paprika yarrow temperature & humidity
• Is paprika yarrow toxic to cats & dogs?
• Is paprika yarrow toxic to cats?
• Is paprika yarrow toxic to dogs?
• Getting paprika yarrow to bloom

Featured in these plant shortlists

Paprika yarrow qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Paprika yarrow is also known as Paprika yarrow, Common yarrow 'Paprika', and Milfoil 'Paprika'.

• Lupinus 'Chandelier' care — light, water and common problems
• Lupinus polyphyllus 'Gallery Blue' care — light, water and common problems
• Lupinus 'Manhattan Lights' care — light, water and common problems
• All 6887 plant care guides in the Growli library