Dahlia ‘Sweet Sanne’ is a charming medium-to-large dahlia known for its soft pink, fully double blooms with a delicate, romantic appearance. The plant produces upright stems with dark green, pinnate leaves, creating a sturdy structure for its abundant flowers. Blooms are densely layered, forming classic dahlia shapes that are ideal for borders, container plantings, or cut flowers. Its gentle pastel color adds a soft, elegant touch to summer and early autumn gardens.
- Size: Height: 75–100 cm (30–40 in). Spread: 50–70 cm (20–28 in)
- Flowering: Mid-summer to first frost
- Growth habit: Upright clumping perennial from tubers
- Light: Full sun for optimal flowering and strong stem growth.
- Soil: Well-drained, fertile soil enriched with compost; avoid waterlogged conditions.
- Water: Regular watering; maintain evenly moist soil during active growth.
- Hardiness: Hardy in Zones 8–10; in colder climates like Regina, SK, tubers must be lifted and stored over winter.
- Planting depth: Plant tubers 10–15 cm (4–6 in) deep, spacing 50–70 cm apart.
- Maintenance: Stake stems if needed to support flowers; deadhead spent blooms to encourage prolonged flowering.
- Propagation: By tuber division in spring before planting.
- Pests/Disease: Monitor for aphids, slugs, snails, and powdery mildew; ensure good air circulation to reduce disease.