How to Grow Japanese Heuchera Palace Purple
Wikimedia Commons
Japanese Heuchera Palace Purple
Heuchera micrantha var. diversifolia 'Palace Purple'
flowerPalace Purple is a stunning foliage plant prized for its deep purple, ruffled leaves that maintain their dramatic color year-round. Small delicate pink or white flowers appear on tall airy spikes in spring and early summer, creating a beautiful contrast to the dark foliage. This shade-tolerant perennial serves as an excellent ground cover or border accent in woodland and shade gardens.
When should you plant Japanese Heuchera Palace Purple in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Japanese Heuchera Palace Purple timeline · Pittsburgh, PA (Zone 6b)
-
Plant Japanese Heuchera Palace Purple
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
First Japanese Heuchera Palace Purple blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Japanese Heuchera Palace Purple dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9, with best performance in zones 4-8
Sign up free to see if Japanese Heuchera Palace Purple grows in your zone — and get a personalized planting timeline.
Get my Japanese Heuchera Palace Purple timeline →Growth Stages
Vegetative Growth
Spring through early summerMature rosette of deeply ruffled, metallic purple leaves expanding outward
Maintain moderate moisture. Remove dead or damaged leaves. Divide plants every 3-4 years if centers become woody. Mulch lightly in fall
Flowering
6-8 weeks, typically April-June depending on zoneTall, airy spikes (12-24 inches) emerge bearing small pink, white, or red flowers above the foliage
Flowers are bonus ornaments; enjoy them or deadhead if preferring to focus on foliage. Provide consistent moisture as plants flower
Dormancy
October-MarchFoliage persists and darkens further in cool weather; overwinters with purple coloration intact
Leave foliage in place for winter protection and year-round interest. Clean up any severely damaged leaves in early spring. No fertilizer needed
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Improve air circulation; water at soil level, not foliage. Remove affected leaves. Divide crowded plants. Fungicide applications if severe
-
and
Remove debris and mulch that provide hiding places. Hand-pick or use slug traps. Beer traps or copper barriers may help
-
Inspect new transplants carefully. Remove weevils by hand. Nematodes effective for larvae in soil; insecticidal soap for adults
-
Increase humidity and mist foliage regularly. Spray with water to dislodge. Neem oil or horticultural spray if infestation is severe
-
Ensure good air circulation. Water at base only. Fungicide spray if necessary; sulfur or neem oil options
Uses
Ornamental Foliage & Garden Design
HouseholdPalace Purple's deep purple, ruffled foliage creates stunning visual impact in shade gardens, borders, and containers. Its metallic sheen and persistent color provide year-round interest and work as an excellent dark accent plant in mixed shade plantings. [source]
Cut Flower Arrangements
CraftThe delicate flower spikes and attractive foliage leaves work beautifully in fresh floral arrangements, adding texture and a cottage-garden aesthetic. Foliage can be dried for arrangements as well. [source]
Pollinator Attraction
WildlifeThe spring flower spikes attract bees and other pollinators to the garden, providing early nectar sources. This makes Palace Purple valuable for supporting pollinator populations in shade-heavy landscapes. [source]
Ground Cover & Landscape Erosion Control
HouseholdPalace Purple's spreading rosette habit and moderate spread make it effective as a low-maintenance ground cover for shade areas, helping to stabilize soil and suppress weeds in woodland plantings. [source]
Container & Specimen Plant
HouseholdThe dramatic foliage makes Palace Purple an excellent choice for container gardens, where its color and texture can be showcased. Pairs well with trailing ivy and other shade-tolerant companions in pots. [source]
Harvest Tips
Heuchera Palace Purple is an ornamental foliage plant, not typically harvested for food or material. Enjoy the stunning purple leaves year-round. Cut flower spikes for arrangements if desired. Divide plants in spring or fall every 3-4 years by carefully separating rosettes
Fun Facts
- 🌱 Palace Purple was selected as a Perennial Plant Association Plant of the Year in 1991, celebrating its exceptional ornamental value and garden performance
- 🌱 The metallic sheen on the purple leaves comes from the wax layer on the leaf surface, which actually intensifies the color under cooler temperatures—the plant becomes even more vibrant in fall and winter
- 🌱 Despite being called 'Japanese Heuchera,' this plant is actually native to western North America (Oregon, Washington), and the species name 'micrantha' refers to its very small flowers
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Japanese Heuchera Palace Purple planting timeline
Tell us your zip code and we'll calculate exactly when to start Japanese Heuchera Palace Purple seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Japanese Heuchera Palace Purple timeline →