How to Grow Yarrow: A Complete Care Guide (Plus Native Variety Tips)

Quick facts: yarrow at a glance

Yarrow earns its reputation in nearly every garden it touches. Common yarrow plants are exceptionally drought tolerant, more so than almost any perennial we work with, attract a wider range of pollinators than the delicate flat-topped flowers suggest, and shrug off the kind of poor soil that makes other ornamentals sulk. Hardy from USDA zones 3 to 9, yarrow shows up in cottage gardens, prairie restorations, pollinator strips, and dry hillsides across North America.

This guide covers everything you need to know about how to grow yarrow well, whether you're working with the wild North American native (Achillea millefolium) or one of the colorful cultivars bred from it. We've included a propagation section, a comparison table of the most popular varieties, an honest pest and problem section, and a regional note for gardeners in cooler maritime climates like the Pacific Northwest, where common yarrow behaves a little differently than the standard advice suggests.

What is yarrow? Native species vs. garden cultivars

The genus Achillea contains roughly 85 species worldwide, but the one most gardeners mean by "yarrow" is common yarrow, Achillea millefolium. Its native range circles the northern hemisphere, including most of North America (USDA PLANTS Database). The wild form has flat clusters of small white flowers atop ferny, aromatic gray-green foliage, and it shows up in roadsides, meadows, and prairies from the Atlantic to the Pacific.

The colorful yarrows you see at garden centers, golden 'Moonshine', deep red 'Paprika', soft pink 'Cerise Queen', the candy-colored Tutti Frutti and Galaxy series, are mostly cultivars and hybrids derived from A. millefolium, sometimes crossed with European species like A. clypeolata and A. taygetea. They share the same low-water, low-fertility temperament as the native, but they vary in vigor, flower color stability, and how much they reseed.

This distinction matters more than most plant tags admit. If you're planting yarrow for a true native garden or pollinator restoration, the wild white-flowered A. millefolium is the right choice. If you want sweeps of color that hold their hue from year to year, a named cultivar is more reliable than seed-grown native, though selected cultivars sometimes trade ecological function for ornamental appeal. We'll cover the cultivar lineup in detail below.

Where yarrow grows best: light, soil, and climate

Growing yarrow successfully is mostly about siting it correctly. The three factors below make the difference between a stiff, free-flowering plant and a floppy, mildewed one.

Light requirements

Full sun, full stop. Yarrow needs at least 6 to 8 hours of direct sunlight daily to develop sturdy stems and abundant blooms (Oregon State Extension). In partial shade, plants stretch toward the light and flop under their own weight, the most common reason new yarrow growers think the plant is "weak." It isn't. It's just trying to do too much with too little light.

Soil requirements

Well-drained soil matters more than soil fertility. Yarrow tolerates a wide pH range (roughly 5.5 to 8.0) and actively prefers average-to-poor soil. Rich, amended garden soil produces lush foliage at the expense of flowers and drives the famous yarrow flop. If you're planting into clay, work a few inches of coarse sand or fine gravel into the planting hole; if you're working with sandy soil, you're already most of the way there.

Climate and hardiness

Yarrow's drought tolerant nature pairs with a hardy temperament: it grows in USDA zones 3 through 9, thriving in nearly every climate gardeners ask it to grow in. But the standard care advice you'll find online assumes a continental summer: hot, dry, sustained. Yarrow performs differently in other climates, and the differences are worth knowing before you plant.

When and how to plant yarrow

This is how to grow yarrow from any of three starts: bare-root divisions, container-grown plants, or seed. Each has a different timing window and a different level of effort. Growing yarrow from bare-root divisions is the fastest path to bloom; seed is the cheapest but requires patience.

Best time to plant

The two ideal windows are spring after the last frost and fall, at least six weeks before the first hard freeze. Spring planting gives the longest establishment runway before winter. Fall planting takes advantage of cooler soil temperatures and natural moisture to set roots before dormancy. In zones 8 and warmer, late winter bare-root planting works exceptionally well, particularly on the Pacific coast where mild wet winters give roots months to establish before summer demands begin.

Container-grown plants

The easiest path. Dig a hole twice as wide as the root ball and the same depth. Tease apart any circling roots with your fingers. Set the plant so the crown sits at or just slightly above the soil surface, never buried. Backfill, water in deeply, then leave it alone for a few days before the next watering.

Bare-root divisions

Bare-root yarrow ships in late winter and early spring while plants are dormant. Soak the roots for an hour before planting, spread them out in the planting hole rather than cramming them down, and water in well. Bare-root plants establish faster than potted ones because they don't have to overcome a circling root system, and they're typically less expensive too.

Spacing

Allow 1 to 2 feet between plants, depending on the cultivar's mature spread. Yarrow plants benefit from airflow, and tight spacing increases mildew risk in humid regions. Native A. millefolium spreads by rhizome and self-seeds, so give it room or expect it to find some.

Yarrow care: watering, fertilizing, and pruning

Once established, yarrow is one of the lowest-input perennials you can grow. Most of what passes for "care" is actually restraint, knowing what not to do.

Watering

For the first season after planting, water yarrow plants deeply once or twice a week to help roots establish. After that, established yarrow plants need almost no supplemental water. Yarrow is one of the most reliable drought tolerant perennials for low-water gardens. In most climates a deep soak every two to three weeks during peak summer drought is plenty; in cool maritime climates, established plants often need no irrigation at all. Overwatering is the single most common cause of yarrow failure: root rot, weak stems, and short lifespan all trace back to soil that stays too wet.

Fertilizing

Skip it. Like most drought tolerant perennials, yarrow evolved on lean soils and responds to fertilizer the way a teenager responds to too much caffeine: tall, lanky, and prone to falling over. If your soil is genuinely poor (pure sand, exhausted vegetable beds), a single light topdressing of compost in early spring is more than enough.

Deadheading and pruning

Snip spent flower heads back to the next set of leaves to encourage a second flush of bloom in late summer. Deadheading also reduces self-sowing, useful if you're growing common yarrow (which seeds aggressively) in a smaller or more formal garden. Yarrow flowers are excellent as both cut and dried flowers: cut stems just as the flat-topped clusters fully open for the longest vase life, or hang upside down in a dark, well-ventilated space for two to three weeks for dried arrangements. After the second flush fades, you have a choice: cut plants back to basal foliage in late fall for a tidy garden, or leave the dried seed heads standing for winter interest and bird forage. Goldfinches will work the seed heads from late summer through winter, so we usually leave at least some standing through fall.

Division

Growing yarrow long-term means dividing established clumps every 2 to 3 years to prevent the center from dying out and to control spread. Lift the entire clump in early spring or fall, separate the outer healthy growth from the woody center, replant the vigorous sections at the original depth, and compost the rest.

How to propagate yarrow (seed, division, and cuttings)

Yarrow propagates three ways, each suited to a different goal. Division is fastest and produces clones identical to the parent. Seed is cheapest and best for native plantings. Cuttings are useful for prized cultivars where you want a few extra plants without disturbing the original.

From seed

Start indoors 8 to 10 weeks before your last frost date. Surface-sow the seeds and press them into the mix without covering them, yarrow needs light to germinate. Keep moist at 65 to 70°F. Germination takes 14 to 21 days. Transplant outdoors after the last frost, hardening off for a week first. Native A. millefolium reaches full bloom size in its second year; named cultivars are not seed-stable, so save seed only from the wild species.

By division

The easiest method, and the one we recommend for most home gardeners. In early spring or fall, lift the entire clump with a sharp spade. Pull or cut the clump into sections, each with at least three to four shoots and a healthy root system. Replant immediately at the original depth, water in, and keep moist for two weeks while the divisions reroot.

By stem cuttings

Take 4 to 6 inch tip cuttings in late spring or early summer from non-flowering stems. Strip the lower leaves, dip in rooting hormone (optional but improves success rates), and stick into a moist mix of equal parts perlite and peat. Keep humid and out of direct sun. Roots typically form in 3 to 4 weeks.

Best yarrow varieties for your garden

Choosing a yarrow comes down to color, size, and whether you want a true native or a more decorative cultivar. The table below covers the most widely grown varieties, with their botanical lineage spelled out so you know what you're actually planting.

Variety	Color	Height	Native parentage	Best for
Native A. millefolium	White	2-3 ft	True native (circumpolar)	Native gardens, restorations, pollinator strips
'Moonshine'	Bright yellow	18-24 in	Hybrid (A. clypeolata × A. taygetea), non-native	Sunny mixed borders
'Paprika'	Red fading to rust	2 ft	A. millefolium cultivar	Cottage gardens, hot color schemes
'Cerise Queen'	Cherry pink	2-3 ft	A. millefolium cultivar	Cottage and pollinator gardens
'Coronation Gold'	Deep gold	3 ft	Hybrid (A. filipendulina × A. clypeolata), non-native	Back-of-border, dried flower
'Salmon Beauty'	Peach-pink	2 ft	A. millefolium cultivar	Soft color palettes
Galaxy series	Mixed	2-3 ft	A. millefolium hybrid line	Mass plantings, pollinator beds
Firefly series ('Sunshine', 'Fuchsia', 'Peach Sky')	Yellow, fuchsia, peach	24-30 in	A. millefolium hybrid line	Compact, strong stems, less prone to flopping

For native plantings, choose the wild form. Common yarrow (Achillea millefolium) in its unselected native form supports pollinators best. Many cultivars derived from A. millefolium still support pollinators reasonably well, but selected color cultivars and hybrid yarrows generally produce less viable seed and may offer reduced ecological value (per the Xerces Society). If your goal is restoration or true habitat value, the white-flowered native species is the right tool.

Yarrow pests, diseases, and common problems

Yarrow is genuinely tough, which is why most growing guides skip this section. But the few problems it does have come up often enough to be worth naming.

Why yarrow flops

Floppy yarrow plants are the number one complaint, with three near-universal causes: too much shade, too much water, or too much fertilizer (often all three at once). Yarrow plants evolved on lean, sunny, dry sites and respond to abundance with weak, overstretched stems. The fix is environmental, not chemical: move the plant to more sun, stop watering and fertilizing, and divide aging clumps that have lost their structural center.

Powdery mildew

The white powder on leaves you'll sometimes see, especially in humid summers or shaded plantings. Improve airflow by thinning crowded clumps and increasing spacing. Mildew-resistant cultivars (most of the named selections) handle this better than seed-grown native. In severe cases, a milk-and-water spray (1:9 ratio) every 7 to 10 days reduces spread without harsh chemistry.

Root rot

Caused exclusively by soggy soil. Symptoms: yellowing lower foliage, soft black stems at the crown, sudden collapse of seemingly healthy plants. The fix is drainage, not water adjustment alone. If your soil holds water, raise the planting site or amend heavily with grit before planting.

Pests

Aphids occasionally cluster on flower buds in spring; a strong water spray usually clears them. Spider mites can show up on yarrow plants stressed by extended drought or hot, dry conditions, especially in containers; a sharp water spray and improved airflow usually solves the issue. Deer and rabbits typically ignore yarrow due to its strong aroma and bitter taste, making it a useful filler in browse-pressured gardens.

Pollinator and wildlife value (with specifics)

"Yarrow attracts pollinators" is true and useless. Here's what actually visits yarrow flowers, and why it matters.

The flat clusters of small flowers, called corymbs (a botanist's word for the flat-topped, umbel-like cluster yarrow produces), are landing pads tailored for short-tongued insects. The visitor list reads like a who's who of garden allies:

• Native bees: Mining bees (Andrena spp.), sweat bees (Halictus spp.), and small carpenter bees rely on yarrow's accessible nectar more than honeybees do (per the Xerces Society)
• Syrphid flies (hoverflies): Important pollinators whose larvae are voracious aphid predators. Yarrow is one of the top plants for attracting them to a garden
• Butterflies: Smaller species like skippers, hairstreaks, and painted ladies (which use yarrow as an occasional larval host)
• Predatory wasps and beneficial beetles: Lady beetles, soldier beetles, and parasitic wasps that help control aphids, caterpillars, and other pest insects

For birds, yarrow's value is in seed, not nectar. Goldfinches and other small seed-eaters work the dried seed heads from late summer into early winter, so leave at least some flower stalks standing through fall if you can stand the dried-flower aesthetic (All About Birds).

One honest note: yarrow is not a hummingbird plant. The flowers are too shallow and offer too little nectar to attract them. If hummingbirds are the goal, plant red-flowering currant or a native penstemon instead.

Best companion plants for yarrow

Pair yarrow with plants that share its love of full sun, well-drained soil, and minimal water. The wrong companions are anything that needs consistent moisture or rich soil; their care needs will pull you in opposite directions.

Drought-tolerant cottage garden

Lavender, salvia, ornamental oregano, catmint, echinacea, rudbeckia, and ornamental grasses (little bluestem, blue fescue). These create the classic sunny perennial border yarrow looks most at home in.

Pacific Northwest native pollinator garden

Pair native A. millefolium with Oregon iris (Iris tenax), Pacific bleeding heart (Dicentra formosa), kinnikinnick (Arctostaphylos uva-ursi), and Douglas aster (Symphyotrichum subspicatum). This combination provides bloom from early spring through fall and supports a wider pollinator community than any single plant could alone.

Pollinator strip / meadow planting

Native asters, goldenrod, milkweed, blazing star (Liatris), and short native grasses. Yarrow flowers in the gap between early-spring forbs and late-summer composites, making it an important nectar bridge across the growing season.

What to avoid

Hostas, astilbes, ferns, and other moisture-loving shade plants. Anything that needs regular feeding. Fast-spreading neighbors (mints, certain bee balms) will eventually smother slower-spreading yarrow cultivars.

Yarrow FAQ

When does yarrow bloom?

Most yarrows bloom from late spring through midsummer, with a second flush in late summer if you deadhead. In cooler maritime climates, expect a slightly delayed start (early summer) and a gentler peak. In hot climates, blooming can pause during the worst summer heat and resume in fall.

Is yarrow invasive?

The wild native common yarrow species (A. millefolium) spreads by rhizome and self-seeds aggressively, which can make it overwhelming in small formal gardens. It is not classified as invasive in the United States (it's native here), but it can colonize nearby beds. Most named cultivars are far less aggressive because they produce less viable seed. To control spread, deadhead before seed sets and divide every 2 to 3 years.

Is yarrow safe for pets?

Yarrow is mildly toxic to cats, dogs, and horses if eaten in significant quantities, causing vomiting, diarrhea, or skin irritation (per the ASPCA). Most pets ignore it due to its strong aroma. For households with curious pets, plant in lower-traffic garden zones.

Can you grow yarrow in containers?

Yes, with two caveats: choose a deep container (12+ inches) for the taproot, and use a gritty, fast-draining soil mix. Container yarrow needs more frequent watering than in-ground plants but still does best when the soil dries between waterings. Choose smaller cultivars (under 2 ft) for the best proportions.

Are yarrow flowers good for cutting and drying?

Yes. Yarrow is one of the longest-lasting perennials for both cut and dried arrangements. Cut stems just as the flat-topped clusters fully open for the longest vase life (typically 7 to 10 days fresh). For drying, hang stems upside down in a dark, well-ventilated space for two to three weeks. 'Coronation Gold' and 'Paprika' hold their color particularly well dried.

How long does yarrow live?

An individual plant typically lives 5 to 10 years, but yarrow is functionally indefinite if you divide every 2 to 3 years. The center of an established clump dies out as the plant ages; division refreshes the perimeter and resets the clock.

Where to buy yarrow

Where you buy yarrow matters more than for most plant categories. For true native A. millefolium, source from a regional native plant nursery to ensure local genotype and authentic species. For named cultivars, any reputable perennial nursery will carry the popular ones in spring.

Bare-root divisions ship in late winter and establish faster than potted plants; potted plants are available spring through fall and let you plant on your own schedule. Whether you're learning how to grow yarrow for the first time or expanding an established pollinator garden, we carry common yarrow plants in both formats. You can also browse our broader PNW native plants and pollinator plants collections for companion planting ideas.