How to Grow Erica carnea 'Myretoun Ruby'
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Erica carnea 'Myretoun Ruby'
Erica carnea 'Myretoun Ruby'
shrubErica carnea 'Myretoun Ruby' is a compact, evergreen heather cultivar prized for its deep ruby-red flowers that bloom in winter and early spring. This low-growing shrub reaches 12-18 inches tall and spreads 24-30 inches, creating attractive ground cover. Its fine, needle-like foliage turns bronze in cold weather, adding year-round visual interest to gardens.
When should you plant Erica carnea 'Myretoun Ruby' in your zone?
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Example Erica carnea 'Myretoun Ruby' timeline · Pittsburgh, PA (Zone 6b)
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Plant Erica carnea 'Myretoun Ruby'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Erica carnea 'Myretoun Ruby'
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-8; best in cooler climates with winter chill
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Get my Erica carnea 'Myretoun Ruby' timeline →Growth Stages
Vegetative Growth
Spring through early winterPlant fills out horizontally; foliage deepens in color, bronze tones develop in cooler weather
Continue regular watering during dry spells. Light deadheading after flowering encourages bushier growth. Avoid heavy pruning
Flowering
10-14 weeks (Nov-Mar in mild climates)Deep ruby-red, bell-shaped flowers emerge on terminal spikes; foliage may show bronze or reddish hues
Peak bloom occurs November-March depending on climate. Enjoy flowers in situ; minimal deadheading needed. Water moderately during bloom
Post-Bloom
April-SeptemberFlowers fade to brown; plant enters semi-dormant phase in late spring/summer
Deadhead spent flowers in April-May if desired for tidiness. Light shearing encourages next season's bloom. Reduce water slightly but don't let dry out completely
Dormancy/Preparation
October-NovemberPlant slows growth; foliage takes on bronze or copper tones in cool weather
Minimal care needed. Ensure drainage is excellent to prevent winter rot. Do not fertilize. Protect from extreme wind in exposed sites
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Inspect foliage in spring and autumn; prune affected shoots below damaged areas and dispose of cuttings. Encourage beneficial predators; consider neem oil in severe cases
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Increase humidity around plant; spray foliage with water. Use miticide if severe; ensure good air circulation
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Prevent with excellent drainage and well-aerated soil. Remove and destroy affected plants; do not replant heathers in same spot
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Ensure adequate air circulation; avoid overhead watering. Remove affected foliage; apply sulfur dust if needed
Uses
Winter Floral Arrangements
HouseholdRuby-red flowers provide elegant color for winter bouquets and decorative arrangements. Stems last 2-3 weeks in water and are ideal for mixed plantings with evergreens and berries. [source]
Pollinator Support
WildlifeWinter-blooming heathers provide valuable nectar and pollen for winter-active bees and other pollinators when few other flowers are available. A key winter food source in temperate climates. [source]
Ground Cover & Landscape Design
CraftLow-growing mounding form makes it ideal for rock gardens, heather gardens, borders, and mixed alpine plantings. Bronze winter foliage adds textural interest to dormant landscape beds. [source]
Erosion Control & Slope Stabilization
HouseholdSpreading root system and dense growth habit make 'Myretoun Ruby' useful for stabilizing slopes and controlling erosion on well-draining, acidic soils while providing visual appeal. [source]
Heather Tea & Traditional Use
MedicinalErica species have been used in traditional herbalism for respiratory support and general wellness. While not commonly used today, heather flowers can be brewed as a mild tea with potential antioxidant properties. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
This is an ornamental plant grown for flowers and foliage, not for harvest. Cut flower stems for indoor arrangements in winter or early spring when flowers are fully open. Deadhead spent blooms in late spring to maintain neat appearance and promote compact growth
Fun Facts
- 🌱 Erica carnea 'Myretoun Ruby' is one of the few reliable heathers that thrives in neutral to slightly alkaline soils if given excellent drainage, making it more versatile than many other Erica cultivars
- 🌱 The cultivar name 'Myretoun Ruby' references the Scottish location where it was developed, and it is particularly popular in UK gardens for its reliable winter blooming and hardy nature
- 🌱 Winter-blooming heathers like this cultivar are sometimes called 'snow heaths' and can actually bloom earlier and more prolifically after light frosts, as the cold stress triggers more abundant flowering
Gardening Terms
New to gardening? Learn about terms used in this guide:
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