Erica carnea 'Springwood White'

Winter Heath 'Springwood White'

5a–7bHardiness zone
WinterSpring
Peak bloom windowZone 6b · frost-offset weeks
Winter
Peak bloom
Spring
Peak bloom
Summer
Not in bloom
Fall
Not in bloom
Peak bloom
In bloom
Background

Erica carnea 'Springwood White' is a mat-forming evergreen subshrub that covers itself in white, tubular flowers from mid-winter through early spring. It is one of the most floriferous white cultivars of winter heath and is reliable in climates where few plants offer winter color.

Unlike most heaths and heathers, E. carnea tolerates neutral to mildly alkaline soils as well as acidic ones, making it far more versatile for mixed garden use. It spreads steadily to form dense, weed-suppressing groundcover on slopes and in rock garden settings. Cold-hardiness extends to zone 5a provided drainage is sharp; prolonged wet soil at the crown is the primary cause of plant loss. After flowering, trim lightly with shears but avoid cutting into old, leafless wood. A loose layer of coarse grit around the crown in colder zones helps prevent frost heave without trapping moisture.

The mid-winter flowers are a significant early nectar source for bumblebees and other pollinators before most garden plants break dormancy.

Care guide
SunFull sun
WaterModerate
SoilHumus-rich, moist but well-drained, acidic
Spacing18–24 in
Height6–10 in
Zone5a – 7b
Frost hardy
Seasonal tasks
winter
watchCheck for opening flowers in mid-winter during mild spells; 'Springwood White' can begin blooming as early as January in sheltered sites.
watchInspect stems and foliage in late winter after wet periods for signs of root rot: yellowing, wilting, or dying shoots despite moist soil.
spring
cutShear plants lightly with hedge clippers immediately after the last flowers fade to encourage compact new growth. Do not cut into old, leafless stems.
watchMonitor for botrytis grey mould in cool, damp conditions: fuzzy gray growth on faded flowers or stems. Remove affected material and improve air circulation.
summer
watchDuring summer dry spells, water established plants every 10–14 days to prevent stress; newly planted specimens need more frequent irrigation until rooted in.
fall
watchTop-dress around crowns with coarse grit or fine bark mulch in late fall to moderate soil temperature through winter without retaining excess moisture.
sowPlant container-grown specimens in early fall while soil remains warm, spacing 18–24 inches apart to accommodate spreading growth.
Common problems

Phytophthora Root Rot

Symptoms

Wilting despite moist soil, yellowing leaves, stunted growth, and dark, decayed roots and crown tissue. Vines may collapse during hot weather.

Treatment

Plant in well-draining soil and avoid waterlogging. Remove and destroy affected vines. Improve drainage with raised beds or amended soil and avoid overwatering.

Botrytis (grey mould)

Symptoms

Grey fuzzy mould on petals and stems, worst in cool wet conditions.

Treatment

Remove affected parts immediately. Improve air circulation. Avoid overhead watering. Apply copper fungicide if severe.