Delphinium Pacific Giants are a classic choice for gardeners who want bold vertical structure and rich cottage-garden colour in their outdoor spaces. These tall, stately plants produce striking flower spikes in an assorted mix of blue, white, purple, lilac, and pink tones, creating a dramatic back-of-border display that draws the eye upward and adds genuine height to flower beds and borders. Flowering from May through to July, they deliver a strong early-to-mid summer show that few other plants can match for sheer visual impact. Supplied by Unwins – a trusted name in British gardening with a long-standing reputation for quality seed production – these seeds offer reliable germination and consistent results season after season. Suitable for sowing indoors from February onwards, with an extended sowing window through to July, they give gardeners a controlled and confident start to the growing process. Whether you are planning a layered garden design, building a structured cottage border, or simply want to add classic charm and height to an existing planting scheme, these seeds deliver dependable performance. As a perennial, they return each year, offering long-lasting seasonal value without the need to resow annually.
- Tall flower spikes in blue, white, purple, lilac & pink
- Flowers May to July for a vivid early summer display
- Ideal for back-of-border and layered garden designs
- Sow indoors February–July for a flexible growing season
- Perennial growth returns year after year reliably
These cottage-garden favourites are particularly well suited to gardeners looking to create structured, showy borders with traditional appeal. Their impressive height makes them a natural choice for feature planting at the rear of beds, where their vertical flower spikes provide a strong backdrop for lower-growing plants. The assorted colour range adds depth and variety to any planting scheme without requiring careful colour planning. Sowing indoors allows for a more controlled environment during early growth, reducing the risk of poor germination caused by unpredictable outdoor conditions. Grown from Unwins seeds, gardeners benefit from the brand's consistent quality standards, making these an excellent option for both experienced growers and those newer to raising delphiniums from seed.
