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Iberis sempervirens 'Summer Snowdrift' (1 Gallon) is a charming, evergreen perennial known for its profusion of white flowers and neat, compact growth habit. This plant adds a touch of elegance to garden borders and rock gardens, especially in the spring when it’s in full bloom.
Description:
- Dimensions: Grows to a height of 10-12 inches with a spread of 12-18 inches, forming a low, mounding habit.
- Sun Exposure: Thrives in full sun to partial shade, requiring at least 4-6 hours of sunlight daily for optimal blooming.
- Water Requirements: Prefers well-drained soil and is moderately drought-tolerant once established. Water regularly during the first growing season to establish roots, then reduce watering as needed.
- Hardiness Zones: Hardy in Zones 3-9, making it suitable for a wide range of climates.
- Bloom Time: Blooms in mid to late spring, producing a dense display of small, pure white flowers that cover the foliage. The bloom period can extend into early summer, depending on the climate.
- Pruning: Prune lightly after flowering to maintain its shape and encourage further blooming. Deadheading spent flowers can also extend the bloom period.
How to Plant:
- Location: Ideal for garden borders, rock gardens, and as ground cover in sunny locations. It also works well in containers or as edging along pathways.
- Soil Preparation: Prefers well-drained, slightly alkaline soil. If your soil is heavy or clay-based, amend with sand or gravel to improve drainage.
- Planting: Dig a hole twice as wide as the root ball and the same depth. Place the plant in the hole, ensuring the top of the root ball is level with the soil surface.
- Spacing: Space plants 12-18 inches apart to allow for their mature spread and to create a continuous, lush carpet of foliage and flowers.
- Watering: Water thoroughly after planting and maintain consistent moisture during the first growing season. Once established, reduce watering frequency.
Fun Fact: Iberis sempervirens 'Summer Snowdrift' is often called "candytuft" due to the clusters of flowers resembling tufts of candy. This variety is particularly prized for its long-lasting blooms and ability to thrive in tough, rocky soils where many other perennials struggle. Its evergreen foliage provides year-round interest, and the bright white flowers are a favorite for attracting pollinators such as bees and butterflies to the garden.