Senecio serpens (Blue Chalksticks)
Senecio serpens (Blue Chalksticks)
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Senecio serpens, commonly known as Blue Chalksticks, is a striking low-growing succulent valued for its powdery blue-green, cylindrical foliage. Its fleshy, finger-like leaves create a sculptural texture and vivid colour contrast that instantly enhances modern, coastal, and drought-tolerant garden designs. Spreading gradually to form a dense, blue mat, it’s perfect for filling gaps, softening edges, or adding cool tones to warm landscapes.
Highly resilient and easy to care for, Blue Chalksticks thrives in full sun and well-drained soil, tolerating heat, drought, and poor soils with ease. Small creamy-white flowers appear above the foliage in mid-summer to early autumn, though the plant is grown primarily for its colour and form. Ideal for xeriscaping, borders, rock gardens, and containers, this low-maintenance succulent brings year-round visual interest.

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Mature height
0.25–0.30 metres
Mature width
0.60–0.90 metres
Spacing
0.90 metres
Evergreen/Deciduous
Evergreen
Foliage
Powdery blue-green cylindrical foliage with occasional creamy-white summer flowers
Flowering Period & Fruit Development/Harvest
Mid-summer to early autumn
Sun tolerance
Full sun to partial sun
Maintenance
Low-maintenance; requires well-drained soil and minimal watering once established
Root System
Shallow, spreading roots that root at nodes where stems touch the ground