Rich Blue Blooms
Produces attractive blue to blue-violet flowers that add vivid color to garden displays.
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Deep Blue Sweet Pea is an ornamental flowering variety of sweet pea known for its rich blue to blue-violet blooms and pleasant fragrance. These climbing annuals are ideal for trellises, fences, arches, cottage gardens, and cut-flower arrangements. They grow best in cool weather with full sunlight, fertile soil, and consistent moisture.
Produces attractive blue to blue-violet flowers that add vivid color to garden displays.
Features pleasantly scented flowers suitable for garden enjoyment and fresh bouquets.
Develops climbing vines that can grow along trellises, fences, and other suitable supports.
Adds color and fragrance to seasonal floral arrangements when harvested at the right stage.
| Scientific Name | Lathyrus odoratus |
| Common Name | Sweet Pea; Deep Blue Sweet Pea |
| Plant Family | Fabaceae |
| Plant Type | Flower; Annual Climbing Vine |
| Flower Color | Blue to blue-violet, depending on the variety |
| Fragrance | Sweetly scented, depending on the cultivar |
| Growth Habit | Climbing vine; height varies by cultivar |
| Sunlight | Full sun; light afternoon shade may help in warmer climates |
| Soil Requirements | Fertile, well-drained soil rich in organic matter |
| Watering | Keep soil consistently moist without waterlogging |
| Planting Season | Fall or early spring, depending on local climate |
| Germination Time | Approximately 10–21 days under suitable conditions |
| Germination Temperature | Approximately 55–65°F (13–18°C) |
| Sowing Depth | Approximately 1/2 inch (1.3 cm) |
| Plant Spacing | Approximately 4–8 inches, adjusted for the cultivar and support system |
| Support Requirements | Trellis, netting, fence, or other suitable climbing support |
| Garden Uses | Trellises, arches, fences, cottage gardens, and cut-flower displays |
Deep Blue Sweet Pea Seeds bring rich blue blooms and sweet fragrance to garden trellises, fences, and flower arrangements. With cool growing conditions, fertile soil, consistent moisture, and suitable climbing support, these annual flowers can add vertical color and seasonal beauty to your garden.
Important: Sweet pea seeds and other plant parts are toxic if eaten. Keep them away from children and pets.
Learn about Deep Blue Sweet Pea flower colors, climbing support, and flowering care.
Sweet peas are valued for their pleasant fragrance, although scent intensity varies by cultivar and growing conditions. Deep Blue Sweet Peas can add both color and fragrance to garden spaces and fresh-cut flower arrangements.
Climbing types benefit from a trellis, fence, or netting that their tendrils can grip. Check the specific cultivar because dwarf and compact sweet pea varieties may grow without tall supports.
Grow sweet peas in suitable cool weather, provide adequate sunlight and consistent soil moisture, and harvest flowers regularly. Remove faded flowers before seed pods develop to help extend the flowering period. Avoid excessive heat and excessive nitrogen fertilization, which can encourage leafy growth at the expense of blooms.