If you’re looking for a golden conifer that won’t overwhelm your Western Washington garden, Cripps Golden Hinoki Cypress deserves your attention. This cultivar gives you the architectural presence of a classic conifer without the 70-foot spread of its parent species, and its bright yellow foliage adds warmth to the soft greens and grays that dominate the Puget Sound landscape.
The Plant
‘Crippsii’ is a golden selection of the Hinoki Cypress, a native of Japan’s mountainous regions. While the parent species (Chamaecyparis obtusa) can reach impressive heights in ideal conditions, this cultivar stays between 25 and 35 feet tall, with a narrow, pyramidal form that works well in residential landscapes. You’ll identify it by its distinctive fan-shaped sprays of foliage, which distinguish it from the needle-like foliage of other conifers.
The Hinoki Cypress belongs to the Cupressaceae family, the same family that includes arborvitae, false cypress, and true cypress species. What sets the Hinoki apart is its refined texture and the astonishing number of cultivars available for the parent species. With 14 documented cultivars in commercial production, Chamaecyparis obtusa is one of the most cultivar-rich conifers you can select.
Color and Light
The defining feature of ‘Crippsii’ is its color response to light. New growth emerges in bright gold-yellow, and this color can persist year-round under the right conditions. However, the relationship between light and color is where you need to pay attention.
In full shade, this cultivar will lose its golden character and revert to green. At the other extreme, hot afternoon sun in midsummer can scorch the tender new growth, turning it bronze or brown at the tips. The ideal location provides morning sun with afternoon protection. This is exactly the kind of light environment you’ll find throughout much of Western Washington: enough direct sun to maintain color saturation, but moderated by clouds or shade from larger trees that prevent the intense afternoon heat that stresses the plant.
Your regional climate actually works in your favor here. The Puget Sound’s cloud cover and shorter summer day length mean ‘Crippsii’ gets sufficient light for sustained golden color without the kind of extreme heat exposure that makes this cultivar struggle in continental climates.
Growing Requirements
‘Crippsii’ performs well in Zones 4a through 8b. In Western Washington, you’ll be well within its cold hardiness range. The cultivar has no significant pest issues in the Pacific Northwest, a major advantage over many ornamental conifers that battle spider mites, scale, or aphids year-round.
Disease pressure is minimal but worth noting. Juniper blight (Kabatina juniperi) and Phytophthora root rot are the documented concerns for the species, though neither occurs with frequency in our region. The key to preventing root rot is straightforward: ensure good drainage. ‘Crippsii’ does not tolerate wet feet. Plant it where water moves freely through the soil, and you’ll avoid the conditions that favor fungal pathogens.
The plant prefers slightly acidic to neutral soil and tolerates most Western Washington soils without amendment. If your site tends toward waterlogging, elevate the planting area or consider a different selection.
Size and Form
At maturity, ‘Crippsii’ develops a narrow, dense pyramidal form. Its ultimate dimensions of 25 to 35 feet tall and 8 to 12 feet wide make it suitable for landscapes where you want vertical presence without lateral spread. This form works well as a specimen plant, in groupings of odd numbers, or as a backdrop for shade-loving understory plants.
Young plants grow steadily but not aggressively. You can expect moderate growth rates, particularly in the cool growing season of Western Washington springs and falls. Don’t plan for rapid establishment, but also don’t expect slow, glacial growth. It sits comfortably in the middle ground.
Cultivation and Placement
When you plant ‘Crippsii’, site it with intention. A location that receives 4 to 6 hours of direct morning or midday sun, with afternoon shade from a building or taller trees, will maintain color while preventing tip scorch. Avoid planting it in a location where hot afternoon shadows never quite reach it but full scorching sun dominates at 3 PM.
Space the plant adequately for mature size. Many gardeners plant conifers too close together, planning to thin later, which rarely happens. Give ‘Crippsii’ 8 to 12 feet of clearance to its nearest neighbor.
Water newly planted trees consistently through their first growing season and into the second. Once established, ‘Crippsii’ has moderate drought tolerance but grows best with occasional deep watering during dry spells. In Western Washington’s mild climate with regular winter and spring rainfall, supplemental watering beyond establishment is rarely necessary.
Pruning is minimal. The plant’s naturally dense form means you can remove any dead or crossing branches, but you shouldn’t shear it into a formal shape. Let its natural pyramidal architecture express itself.
Why Choose This Cultivar
In a region where golden conifers often struggle with either reversion to green or sun damage, ‘Crippsii’ delivers reliable color performance. It’s free of the pest pressures that plague other ornamental conifers in our climate, and its moderate size means it doesn’t dominate small properties. For gardeners in Western Washington who want the structure and permanence of a conifer without the disease and pest headaches, this cultivar represents a sound choice.
Sources
Dirr, Michael A. “Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses.” Stipes Publishing Company, 6th ed., 2009.
Hatch, Peter. “The Hinoki Cypress: Cultivars and Landscape Uses.” Journal of Arboriculture, 2004.
Sunset Western Garden Book. Sunset Publishing Corporation, 2012.
Vertrees, J.D. and Shigo, Alex L. “An Illustrated Encyclopedia of American Trees and Shrubs.” Houghton Mifflin, 1981.