Botanical Name: Achillea millefolium 'Calistoga'
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Common Name: Calistoga Yarrow  
Plant photo of: Achillea millefolium 'Calistoga'
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Water Saving Tip:

Change spray sprinklers to low-flow bubbler or drip systems. Shrubs and trees are ideal candidates for this type of irrigation because the water is applied directly to the root zones.

  • Anatomy

  • Culture

  • Design

Plant Type

Ground cover, Perennial

 

Height Range

1-3'

 

Flower Color

Yellow

 

Flower Season

Spring, Summer

 

Leaf Color

Grey Green

 

Bark Color

n/a

 

Fruit Color

n/a

 

Fruit Season

n/a

Sun

Full

 

Water

Very Low, Low, Extra in Summer

 

Growth Rate

Fast, Moderate

 

Soil Type

Sandy, Clay, Loam, Rocky, Unparticular

 

Soil Condition

Average, Poor, Well-drained, Dry

 

Soil pH

Neutral, Basic

 

Adverse Factors

n/a

Design Styles

English Cottage, Meadow, Mediterranean, Ranch, Spanish

 

Accenting Features

Showy Flowers

 

Seasonal Interest

Spring, Summer

 

Location Uses

Perennial Border, Foundation, Parking Strip, Walkways

 

Special Uses

Cut Flowers, Erosion Control, Mass Planting, Lawn Alternative, Naturalizing

 

Attracts Wildlife

Butterflies

Information by: Stephanie Duer
Photographer:

  • Description

  • Notes

Calistoga yarrow is in all ways similar to the species, except that its foliage is more silvery grey. Peach to yellow flowers bloom late spring to early summer. Attracts butterflies; is unattractive to deer and rabbits. Grows about 2 to 3 feet tall and wide.
Many different cultivars of Yarrow are available, with different flower colors, including yellows, reds, peaches, and pinks. Yarrow makes a good ground cover when mowed, and tolerates a fair amount of foot traffic. Divide in the spring every few years as the centers can sometimes melt out. Grow in full sun to part shade in well drained soils. Tolerates clay soils. Yarrows are best not planted next to slower-growing and smaller perennials, as they may overtake and overwhelm them.