How to Grow Westringia 'White Surprise'
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Westringia 'White Surprise'
Westringia fruticosa 'White Surprise'
shrubWestringia 'White Surprise' is a compact, variegated Australian shrub featuring narrow, silver-edged green foliage with delicate white flowers. This evergreen cultivar is drought-tolerant once established and thrives in warm, dry climates. It's prized as an ornamental for landscapes, containers, and hedging.
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Example Westringia 'White Surprise' timeline · Pittsburgh, PA (Zone 6b)
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Plant Westringia 'White Surprise'
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 Westringia 'White Surprise'
Around Jul 16≈ 90 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 9b-11, with best performance in zones 10-11
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Establishment
4-6 weeksYoung plants develop root system and initial compact branching; foliage shows variegation clearly
Water moderately but allow soil to dry between waterings. Protect from frost in zone 9. Provide bright light. Avoid overwatering, which causes root rot.
Vegetative Growth
6-12 weeksBushy, compact mounding form develops with multiple stems; silver-edged leaves become more prominent
Prune lightly to maintain shape and encourage bushiness. Fertilize sparingly with low-nitrogen, balanced fertilizer. Remove any non-variegated growth to maintain 'White Surprise' characteristics.
Pre-flowering
2-4 weeksPlant reaches mature size and flower buds begin to form; foliage remains dense and compact
Reduce nitrogen fertilizer to encourage blooming. Maintain consistent soil moisture without waterlogging. Remove dead or crossing branches.
Flowering
8-12 weeks (peak flowering)Small white flowers appear along stems, typically in late winter to spring; some flowers may appear sporadically in other seasons
Deadhead spent flowers to encourage continued blooming. Maintain regular watering during active bloom. Avoid heavy pruning during flowering.
Mature/Maintenance
OngoingShrub reaches full size (2-3 feet tall and wide); established and drought-tolerant; flowers intermittently
Water only during extended dry periods. Prune annually in late winter for shape. Minimal fertilizer needed. Can be rejuvenated with hard pruning if overgrown.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use miticide if severe. Increase air circulation. Spider mites favor hot, dry conditions with overhead watering.
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Inspect regularly; remove by hand or spray with neem oil or insecticidal soap. Avoid over-fertilizing with nitrogen.
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Prune affected branches; apply dormant oil spray in winter or horticultural oil year-round on infested areas.
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Use yellow sticky traps; spray with neem oil or insecticidal soap if population is heavy.
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Ensure excellent drainage; reduce watering frequency; remove affected plants if root rot is severe. Improve soil drainage with sand or grit.
Uses
Ornamental Landscaping & Hedging
HouseholdWestringia 'White Surprise' is excellent for drought-tolerant landscapes, Mediterranean gardens, and coastal properties. Its compact form and attractive variegated foliage make it ideal for hedging, borders, and specimen plantings. [source]
Container Growing
HouseholdThe compact size and slow growth rate make this cultivar perfect for containers on patios, balconies, and in water-wise gardens. Container plants allow indoor winter protection in marginal zones. [source]
Cut Flowers & Arrangements
CraftWhite flowers on variegated stems provide delicate, long-lasting material for floral arrangements and dried flower crafts. [source]
Pollinator & Bird Support
WildlifeSmall white flowers attract bees and other pollinators, while the dense foliage provides shelter for native birds. Useful in wildlife gardens and pollinator-friendly landscapes. [source]
Low-Maintenance Coastal & Desert Gardens
HouseholdSalt and wind tolerance combined with drought resistance makes this shrub ideal for coastal, desert, and difficult-site landscaping with minimal water supplementation. [source]
Harvest Tips
This is an ornamental shrub, not harvested for food. Trim stems for floral arrangements or cuttings anytime during growing season. Take softwood cuttings in spring or semi-ripe cuttings in summer for propagation.
Fun Facts
- 🌱 Westringia is native to Australia and named after the Australian botanist and explorer Johann Peter Westring.
- 🌱 'White Surprise' is a sport (spontaneous genetic mutation) of standard Westringia, making it a unique cultivar that must be propagated vegetatively from cuttings to maintain the variegation.
- 🌱 In its native Australian habitat, Westringia fruticosa is known as 'native rosemary' due to its similarity to Mediterranean rosemary in appearance and cultural requirements.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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