Agapanthus Big Blue
Agapanthus Big Blue
Agapanthus 'Big Blue' – Large Blue Flowering Perennial
Agapanthus 'Big Blue' is a showstopping perennial, producing impressively large, rounded heads of rich blue flowers on tall, elegant stems. A reliable and long-flowering choice for sunny borders, gravel gardens, and large containers.
Key Features
- Large, globe-shaped flowerheads in a deep, vivid blue
- Long flowering season – typically July to September
- Bold, strap-like evergreen foliage provides year-round structure
- Excellent for cutting – makes a striking addition to floral arrangements
- Attracts bees and pollinators
Growing Conditions
- Position: Full sun; thrives in a warm, sheltered spot
- Soil: Well-drained; tolerates dry conditions once established
- Hardiness: RHS H3 – protect from hard frosts; ideal in mild UK gardens or containers brought under cover in winter
- Ultimate height: 60–90cm
Supplied as a premium, nursery-grown plant ready to establish and flower in its first season.
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Planting Instructions
Plant in full sun, ideally in a warm, sheltered position.
Use well-drained soil and avoid waterlogged conditions. Agapanthus tolerates dry conditions once established.
Agapanthus 'Big Blue' is rated RHS H3. In colder areas or during hard frosts, grow it in a container and bring it under cover for winter protection.
Size & Specification
Ultimate height: 60–90cm.
Produces tall, elegant flower stems above bold, strap-like evergreen foliage.
Flowering period: typically July to September.
Delivery & Dispatch
Supplied as a premium, nursery-grown plant ready to establish and flower in its first season.
The plant is carefully prepared for dispatch so it can arrive ready for planting or potting.
Wildlife & Ecological Notes
The rich blue flowerheads attract bees and other pollinating insects, making Agapanthus 'Big Blue' a valuable addition to wildlife-friendly borders and patio planting.