Bridal Wreath. An upright, deciduous shrub producing clusters of double white flowers along the branches in mid-late spring. Small, glossy, dark green leaves turn orange and red in autumn. Height and Spread 2.5m. Full Sun. Hardy.
Spiraea prunifolia, also known as Bridal Wreath, is a beautiful deciduous shrub that produces cascading clusters of double white flowers in mid to late spring. With its glossy green foliage that turns fiery shades of orange and red in autumn, Spiraea prunifolia is a stunning addition to any garden. Follow this comprehensive guide to ensure your Spiraea thrives year after year.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring: Plant Spiraea prunifolia in early to mid-spring when the soil starts warming. This allows the roots to establish before the flowering season, ensuring vigorous growth.
Autumn: Alternatively, plant in early autumn to give Spiraea prunifolia time to settle before winter dormancy, promoting a strong start in the following spring.
Site Selection
Sunlight: Spiraea prunifolia thrives in full sun. Select a site that receives at least six hours of direct sunlight daily for optimal flowering and foliage development.
Soil: Well-draining soil is essential for Spiraea prunifolia. It tolerates a range of soil types but benefits from fertile, loamy soil enriched with organic matter.
Planting Instructions
Prepare the Hole: Dig a hole twice the width and the same depth as the root ball to provide ample space for root expansion.
Soil Preparation: Mix compost or well-rotted manure into the soil to enhance fertility and drainage.
Planting: Position Spiraea prunifolia in the hole, ensuring the top of the root ball is level with the surrounding soil. Backfill gently and firm the soil to eliminate air pockets.
Watering After Planting: Water thoroughly to help settle the soil and support root establishment.
Watering Requirements
During the first growing season, keep Spiraea prunifolia consistently moist but avoid waterlogging.
Once established, Spiraea prunifolia is relatively drought-tolerant but benefits from occasional deep watering during prolonged dry periods.
Feeding
Apply a balanced, slow-release fertiliser in early spring to promote strong growth and abundant blooms.
A second light feeding in mid-summer can help maintain healthy foliage and support next season’s flower production.
Pruning
After Flowering: Prune Spiraea prunifolia immediately after flowering in late spring or early summer to encourage new growth and maintain shape.
Rejuvenation Pruning: Every few years, remove up to a third of the oldest stems to enhance air circulation and stimulate fresh shoots.
Mulching
In early spring, apply a layer of organic mulch around the base of Spiraea prunifolia to retain moisture, suppress weeds, and improve soil quality.
In autumn, a fresh mulch layer can provide additional root protection during colder months.
Supporting the Plant
Spiraea prunifolia has a naturally arching growth habit and typically does not require staking. However, in particularly windy areas, support young plants if needed.
Final Tips
Spiraea prunifolia is a low-maintenance shrub that rewards gardeners with breathtaking seasonal interest. By planting in full sun, ensuring well-drained soil, and following proper care practices, you can enjoy the elegant beauty for years to come. Whether used as a standalone specimen, in mixed borders, or as a hedge, Spiraea enhances any garden with its delightful spring blossoms and stunning autumn hues.
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