Simply Trees

Moonshine Yarrow

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Twice a monthFull sunDeer resistantSummer
  • Vibrant Lemon-Yellow Flowers: The plant is adorned with clusters of bright yellow flowers from early to late summer, offering lasting color and visual interest.
  • Drought Tolerance and Low Maintenance: Moonshine Yarrow thrives in challenging conditions, requiring minimal watering once established and very little care, making it ideal for xeriscaping or low-water gardens.
  • Attracts Pollinators, Resists Pests: Its flowers are a magnet for butterflies and bees, enhancing garden biodiversity, while its foliage is naturally resistant to deer and rabbits.

More Details

The Moonshine Yarrow, scientifically known as Achillea 'Moonshine', is a standout perennial that brings a bright splash of color to any garden with its vibrant, lemon-yellow flowers. Celebrated for its ease of care, drought tolerance, and long blooming period, this plant features finely dissected silvery-gray foliage that provides a striking contrast to its cheerful blooms. Perfect for sunny borders, rock gardens, or as part of a pollinator-friendly garden, Moonshine Yarrow attracts butterflies and bees while resisting deer and rabbits. Its ability to thrive in poor soil and withstand hot, dry conditions makes it an excellent choice for gardeners seeking a low-maintenance yet high-impact addition to their outdoor spaces.

Growth rate: Moderate growth rate; typically reaches 18-24 inches in height and spreads 18-24 inches wide.

Please note: Images on our website depict plants and trees at full maturity to showcase their expected grown characteristics. These images are illustrative examples only and do not represent the size of plants or trees upon delivery.

Pruning: Deadheading yarrow will promote more blooms, and can be done as often as necessary throughout the growing season.

Fertilization: Moonshine yarrow does not require much fertilization, but a light application of a balanced fertilizer in early spring can provide a boost.

Winter Protection: Yarrow is generally very hardy and can tolerate cold temperatures, but in very cold regions a layer of mulch around the base of the plant can help protect the roots during the winter months.

Plant in spring or fall. Choose a location with full sun and well-draining soil. Dig a hole as wide and slightly deeper than the root ball. Place the plant in the hole, backfill with soil, and water thoroughly. Space plants about 18-24 inches apart to allow for mature spread. Mulching is optional but can help retain soil moisture and suppress weeds.

Water regularly to establish roots. Once established, Moonshine Yarrow is highly drought-tolerant, requiring only occasional watering during extended periods of dryness. Flourishes in full sun, requiring at least 6 hours of direct sunlight daily to achieve optimal growth, flowering, and foliage color.

We process and ship your order as quickly as possible, typically within 1-3 business days. You will receive a shipping confirmation with tracking information once your item(s) ship.

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!

In cases of extreme cold or hot weather, we may temporarily delay shipping to ensure the well-being of your plants. Our primary focus is on delivering healthy and thriving plants to you. Rest assured, we'll make every effort to notify you of any delays promptly.

Please allow additional ship times during inclement weather and sale periods. We do not process or ship orders on the weekend or U.S. Holidays. Simply Trees is not responsible for delays due to carriers, local disruptions, or weather.

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At Simply Trees, we're committed to your satisfaction. If your plants arrive considerably damaged or sustained damage beyond the point of recovery, please contact us within five days at with clear photos for assistance. Our 30-day guarantee covers issues after planting, subject to our terms and conditions. We can't cover plants in the wrong climate or with inadequate care, but we're here to help in other situations. For a detailed understanding of our 30-day guarantee and how we ensure a fair process, click here to learn more.


Zones 3-9

Moonshine Yarrow is remarkably adaptable and hardy across USDA Zones 3-9, making it a versatile perennial for a wide variety of garden settings. It prefers well-drained soil but can tolerate a range of soil types, including poor, rocky soils. Its robust nature and ability to perform well in both hot, dry conditions and cold winters make it a reliable choice for gardeners looking to add lasting beauty with minimal effort.

Frequently Asked Questions

Moonshine Yarrow typically grows to a moderate height and spread, making it a versatile choice for various garden settings. Here are some general size characteristics for Moonshine Yarrow:

Height: Moonshine Yarrow typically reaches a height of about 18 to 24 inches when in full bloom. However, in optimal conditions, it can sometimes grow slightly taller, reaching up to 36 inches.

Spread: Moonshine Yarrow forms dense clumps of foliage that can spread to about 18 to 24 inches wide. However, its spread can vary depending on growing conditions and the specific cultivar.

Overall, Moonshine Yarrow maintains a compact and mounded growth habit, making it suitable for borders, rock gardens, containers, and mass plantings. Its relatively low height and spread also make it easy to integrate into mixed perennial beds and landscapes without overpowering other plants.

Moonshine Yarrow is known for its relatively fast growth rate compared to many other perennial plants. Under optimal growing conditions, Moonshine Yarrow can establish quickly and spread moderately through its rhizomatous roots. However, the exact growth rate can vary depending on factors such as climate, soil quality, sunlight exposure, and moisture levels.

In general, Moonshine Yarrow typically forms dense clumps of foliage in its first growing season and begins flowering profusely in the second year. Once established, it can continue to spread slowly over time, filling in gaps in the garden and providing a lush, low-maintenance ground cover. With proper care and favorable conditions, Moonshine Yarrow can reach its mature size within a few growing seasons, producing abundant clusters of bright yellow flowers atop sturdy stems.

To care for Moonshine Yarrow, follow these guidelines:

Watering: Once established, yarrow is drought-tolerant and generally doesn't require frequent watering. Water deeply but infrequently, allowing the soil to dry out between watering sessions. Avoid overwatering, as yarrow is susceptible to root rot in waterlogged soil.

Sunlight: Yarrow thrives in full sun but can tolerate some light shade, especially in hot climates. Ensure that your yarrow plants receive at least 6 to 8 hours of sunlight daily for optimal growth and flowering.

Soil: Yarrow prefers well-draining soil and can tolerate a wide range of soil types, including sandy, loamy, or rocky soil. It's not overly particular about soil pH but thrives in neutral to slightly alkaline conditions.

Fertilization: Yarrow is not heavy feeder and generally doesn't require regular fertilization. However, you can apply a balanced fertilizer in spring if your soil is poor or lacking in nutrients. Avoid excessive fertilization, as it can lead to leggy growth and fewer flowers.

Deadheading: To encourage continuous blooming and maintain a neat appearance, deadhead spent flowers regularly throughout the growing season. Simply pinch off the faded flowers at their base to promote new flower production.

Pruning: Yarrow can become leggy over time, especially if not regularly deadheaded. To promote bushier growth and prolong flowering, you can cut back the foliage by about one-third in late spring or early summer. This will encourage fresh growth and more compact habit.

Dividing: Yarrow plants can become crowded over time, leading to reduced vigor and flowering. Divide mature clumps every few years in spring or fall to rejuvenate the plants. Dig up the clump, separate the individual crowns, and replant them in well-prepared soil.

Pest and Disease Control: Yarrow is relatively pest and disease resistant, but it may occasionally attract aphids or suffer from powdery mildew, especially in humid conditions. Monitor your plants regularly for signs of pests or diseases and take appropriate action if necessary, such as spraying with insecticidal soap or fungicide.

By following these care tips, you can keep your Moonshine Yarrow healthy, vibrant, and blooming profusely throughout the growing season.

To plant Moonshine Yarrow:

Choose the Right Location: Select a site with well-drained soil and full sun exposure. Yarrow tolerates a wide range of soil types but prefers sandy or loamy soil.

Prepare the Soil: Work the soil to loosen it and remove any weeds or debris. Yarrow isn't too picky about soil fertility but benefits from well-draining conditions.

Spacing: Space Moonshine Yarrow plants about 18 to 24 inches apart to allow for their mature size and spread.

Planting: Dig a hole slightly larger than the root ball of the plant. Place the yarrow in the hole, making sure the top of the root ball is level with the soil surface.

Backfill: Fill in the hole with soil, gently firming it around the roots to remove air pockets. Water the newly planted yarrow thoroughly.

Mulch: Apply a layer of organic mulch, such as shredded bark or compost, around the base of the plant to help retain moisture and suppress weeds. Keep the mulch a few inches away from the plant's stem to prevent rot.

Watering: Water the newly planted yarrow regularly, especially during the establishment period. Once established, yarrow is drought-tolerant and only requires occasional watering during dry spells.

Maintenance: Deadhead spent flowers to encourage continuous blooming and prevent self-seeding if desired. In late fall or early spring, you can cut back the foliage to encourage fresh growth.

By following these steps, you can successfully plant Moonshine Yarrow and enjoy its beautiful blooms throughout the growing season.

Moonshine Yarrow (Achillea 'Moonshine') is not considered invasive in most regions. While yarrow species (Achillea spp.) have a reputation for being vigorous growers, Moonshine Yarrow is a cultivated variety that is typically well-behaved in garden settings.

However, it's essential to monitor its growth and spread, especially in favorable conditions. In some areas with particularly fertile soil and ample moisture, yarrow plants may self-sow and spread beyond their intended location. Regular deadheading of spent flowers can help prevent excessive self-seeding.

If you're concerned about its potential to spread, consider planting Moonshine Yarrow in containers or using barriers to contain its roots. Additionally, promptly remove any seedlings that appear where they're not wanted.

Overall, while Moonshine Yarrow is not generally classified as invasive, it's always wise to stay vigilant and manage its growth to prevent any unwanted spread in your garden.

Yes, cutting back yarrow, including Moonshine Yarrow, can help promote healthy growth and prolong flowering. Here are some tips for pruning and cutting back yarrow:

Deadheading: Remove spent flowers regularly throughout the blooming season to encourage the plant to produce more blooms. Use sharp garden shears or scissors to snip off the faded flower heads just above a set of healthy leaves or buds.

Shearing: After the initial flush of blooms has faded, you can shear back the entire plant to encourage a second flush of flowers and tidy up the appearance of the plant. Cut the stems back by about one-third to one-half of their original height.

Division: Over time, yarrow plants may become crowded, leading to reduced flowering and vigor. Every few years, consider dividing established yarrow clumps to rejuvenate the plants. Dig up the clump, divide it into smaller sections, and replant the divisions in well-prepared soil.

Fall Cleanup: In late fall or early winter, after the foliage has turned brown and died back, you can cut back yarrow plants to within a few inches of the ground. This helps tidy up the garden and prepares the plants for new growth in the following spring.

Maintenance Pruning: Throughout the growing season, remove any dead, damaged, or diseased foliage as needed to maintain the health and appearance of the plant. Trim back any overly leggy or sprawling stems to encourage a more compact growth habit.

By regularly pruning and cutting back Moonshine Yarrow, you can help ensure a neat appearance, promote continuous flowering, and prevent the plant from becoming overcrowded.

Incorporating Moonshine Yarrow into your landscape can add beauty, texture, and color. Here are some ideas on how to use yarrow effectively in your garden:

Mixed Borders: Plant Moonshine Yarrow along with other perennials, shrubs, and ornamental grasses in mixed borders. Its upright, fern-like foliage and vibrant yellow flowers create a striking contrast with other plants.

Rock Gardens: Yarrow thrives in well-drained soil, making it an excellent choice for rock gardens. Plant Moonshine Yarrow among boulders, gravel, and other low-growing plants to add a pop of color and interest.

Cottage Gardens: Incorporate Moonshine Yarrow into cottage-style gardens for a natural, informal look. Combine it with other cottage garden favorites like lavender, salvia, and daisies for a charming and inviting landscape.

Butterfly Gardens: Yarrow is a magnet for butterflies, bees, and other pollinators. Create a butterfly garden by planting Moonshine Yarrow alongside other nectar-rich plants to attract these beneficial insects to your yard.

Cut Flower Gardens: Moonshine Yarrow makes an excellent cut flower with its long-lasting blooms and sturdy stems. Plant it in a dedicated cutting garden or intersperse it with other flowers in your flower beds to enjoy fresh-cut blooms indoors.

Container Gardens: Grow Moonshine Yarrow in containers on patios, balconies, or along walkways. Pair it with other sun-loving annuals and perennials to create colorful and eye-catching container arrangements.

Naturalized Areas: Allow Moonshine Yarrow to naturalize in meadows or wildflower gardens for a more relaxed and informal landscape. Its drought tolerance and ability to thrive in various soil conditions make it well-suited for naturalized settings.

Remember to provide Moonshine Yarrow with full sun and well-drained soil for optimal growth and flowering. With its versatility and low-maintenance nature, this perennial can enhance the beauty of your landscape in numerous ways.

Moonshine Yarrow typically blooms for an extended period, often from late spring to early fall, depending on the climate and growing conditions. In optimal conditions, the flowering period can last for several months, with the peak bloom occurring in early to mid-summer.

To encourage continuous blooming throughout the season, deadhead faded flowers regularly. This process involves removing spent blooms, which stimulates the plant to produce more flowers. Additionally, providing adequate sunlight, water, and well-drained soil can help prolong the blooming period of Moonshine Yarrow.

Moonshine Yarrow is generally quite hardy and can withstand cold temperatures, including light frosts and freezes. However, the severity of the freeze and the duration of exposure can affect its resilience.

In regions with mild winters, Moonshine Yarrow may remain evergreen and continue to bloom sporadically throughout the winter months. In colder climates, it may die back to the ground in winter but regrow from the roots once temperatures warm up in spring.

To help your Moonshine Yarrow withstand freezes:

Mulch: Apply a layer of organic mulch around the base of the plant to help insulate the roots and protect them from extreme cold.

Watering: Ensure the plant is adequately hydrated going into winter. Moist soil can help moderate temperature fluctuations and provide some protection against frost damage.

Location: Plant Moonshine Yarrow in a sheltered location, if possible, to minimize exposure to harsh winter winds.

Pruning: Consider leaving the dried foliage and stems in place over winter to provide some additional protection for the crown of the plant. You can prune away dead growth in early spring once new growth begins to emerge.

With proper care and attention, Moonshine Yarrow can survive freezes and continue to thrive in your garden year after year.

Several factors could contribute to Moonshine Yarrow not flowering as expected:

Insufficient Sunlight: Yarrows typically require full sun to bloom profusely. If your Moonshine Yarrow is planted in a location with partial shade or if nearby plants are shading it, it may not receive enough sunlight to initiate flowering.

Immaturity: Sometimes, young plants need time to establish their root systems before they begin flowering. Moonshine Yarrow might not bloom in its first year of growth, but it should start flowering as it matures.

Over-fertilization: Excessive nitrogen fertilizer can promote lush foliage growth at the expense of flower production. Ensure you're not overfeeding your Moonshine Yarrow with high-nitrogen fertilizers.

Improper Pruning: Yarrows generally benefit from light pruning after the first flush of flowers to encourage reblooming. If Moonshine Yarrow is pruned too late in the season or too aggressively, it may not have enough time to develop new flower buds.

Environmental Stress: Stress factors such as drought, waterlogging, or extreme temperatures can hinder flower production in yarrow plants. Ensure your Moonshine Yarrow is receiving adequate moisture and is not experiencing prolonged periods of drought or waterlogging.

Soil pH: Yarrows prefer slightly alkaline to neutral soil conditions. If your soil is too acidic, it could affect the plant's ability to flower. Consider conducting a soil test to determine if amendments are necessary to adjust the pH levels.

By addressing these potential issues and providing optimal growing conditions, you can encourage your Moonshine Yarrow to produce its characteristic clusters of bright yellow flowers and enhance the beauty of your garden.

Our Process

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!