Mediterranean Spurge - Euphorbia characias wulfenii

Euphorbia characias wulfenii, the Mediterranean Spurge, is one of the most bold and structurally impressive large perennial shrubs available for Australian gardens. The densely packed blue-green foliage has a distinctive succulent quality that gives the plant a lush, architectural presence year-round, and from winter through to spring it produces its most spectacular feature large, dramatic chartreuse yellow-green flower heads that rise above the foliage in generous clusters and create one of the most eye-catching winter and spring displays available on a large shrub. The combination of cool blue-green foliage and vivid yellow-green flowers is genuinely striking and works beautifully in both contemporary and cottage garden settings.

Growing to approximately 1 to 2m tall and wide with a rounded, shrubby habit, Mediterranean Spurge is a fast-establishing large shrub that makes an immediate impact in the garden. It is a staple of cottage garden design and equally at home in contemporary low water and coastal garden plantings where its drought and wind tolerance make it a reliable and low maintenance choice. It adapts to a wide range of soil types in a full sun position and requires only an annual slow-release fertiliser and occasional liquid feed to maintain vigorous growth and a generous flower display.

A few important notes: Mediterranean Spurge grows quickly and may need frequent trimming to maintain the desired size and form. It can self-seed readily if spent flower heads are left on the plant and may become invasive in some garden situations, remove spent flower stems promptly after flowering to prevent unwanted spread. As with all Euphorbias, the milky sap can cause skin and eye irritation, always wear gloves when pruning or handling. Generally trouble free and very easy to grow, it is one of the most rewarding large structural shrubs available for gardeners who appreciate bold foliage and dramatic winter-spring flowering.

Key Features:

• Soil: Adapts to a wide range of soil types. Tolerates sandy, loam, clay, and rocky soils provided the position is sunny and reasonably well drained. One of the more soil-tolerant large shrubs available.
• Light: Full sun. Best growth, foliage density, and flower display in a full sun position. Not suited to heavily shaded positions.
• Watering: Low once established. Water in well at planting and keep moist through the first season. Once established, highly drought tolerant and requires little to no supplementary watering in most conditions.
• Fertiliser: Annual slow-release fertiliser in spring and occasional liquid feed through the growing season. Does not require heavy feeding. Avoid over-fertilising which can promote excessive soft growth.
• Maintenance: Low to medium. Trim regularly to maintain the desired size and form as this plant grows quickly. Remove spent flower stems promptly after flowering to prevent self-seeding and potential spread. Wear gloves when pruning as the milky sap can cause skin and eye irritation.
• Flowering: Winter through spring. Large dramatic chartreuse yellow-green flower heads appear in generous clusters above the blue-green foliage, creating one of the most eye-catching winter and spring displays available on a large shrub.

Remove spent flower heads promptly after flowering to prevent self-seeding. Mediterranean Spurge can self-seed prolifically if left unmanaged and may spread beyond the intended planting area in garden beds with open soil. Deadheading immediately after the flower display fades is the single most important maintenance task for keeping this plant well-behaved and contained. Always wear gloves when cutting as the milky sap is a skin and eye irritant.

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