'Firefly Sunshine' Yarrow (Achillea)
You can only choose one Ship Week per order for all plants in order to check out.
How Does Proven Winners® Measure Plant Sizes?
We list our plants by container size, which reflects the amount of soil and root growth each plant has when it ships. Actual plant height and width vary by variety and season, and many plants grow quickly as the weather warms.
To help you understand what to expect, refer to our size guide below. You can also find each plant’s approximate arrival size and mature size on its product page.
How Does Proven Winners® Measure Plant Sizes?
How Does Proven Winners® Measure Plant Sizes?
Plant Height By Container Size
This chart highlights the typical heights for each size category while also showing how container sizes compare, giving you a clear, straightforward way to understand plant size at arrival and choose the best fit for your gardening needs.
This chart shows typical plant heights and compares container sizes, helping you quickly understand arrival size and choose the best fit.
Soil Volume By Container Size
This chart shows the typical soil volume for each container size, listed in both imperial and metrics units for easy comparison.
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'Firefly Sunshine' Yarrow brings vibrant, lasting color to your garden throughout the summer. Its bright yellow flowers create a striking contrast against the dark gray-green foliage, offering a cheerful burst of color. With an upright, well-structured habit, this variety is easy to grow and thrives in borders or mass plantings, adding warmth and charm to any landscape. Versatile and resilient, 'Firefly Sunshine' Yarrow is also perfect for use as cut or dried flowers, making it a wonderful addition to floral arrangements or a long-lasting feature in your garden.
- 28-30 inches tall and 24-28 inches wide at maturity
- Hardy in zones 3-8, be sure to check your USDA zone to ensure success
- Plant in full sun (6+ hours daily)
- Space plants 24-28 inches apart for best results
- Produces bright yellow flowers throughout summer
- Maintains dark gray-green foliage from spring to frost
- Great for landscapes, borders, cut flowers, dried flowers, mass planting
- Attracts bees and butterflies while resisting deer and rabbits
- Native to North America, drought and salt tolerant
Care: Easy to grow in full sun and well-drained soil. Avoid planting in rich soil. Once flowers have faded, cut the plant back by half. Fertilize with Proven Winners Continuous Release Plant Food in spring.
Shipping Info:
- Enjoy free shipping on orders over $175
- Size at shipping varies by season, plant, and trimming schedules
- Quart perennials are 5-8 in. at the time of shipment
- 0.65 Gallon perennials are 6-14 in. at the time of shipment
- 1 Gallon perennials are 6-24 in. at the time of shipment
- Perennials shipped Nov-Apr will arrive dormant; perennials shipped Apr-Oct will arrive green or in bloom
