Sweet Fragrance
Produces fragrant flowers that add a pleasant scent to gardens and outdoor spaces.
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Fragrant Climbing Sweet Pea (Lathyrus odoratus) is a flowering annual vine known for its colorful blooms and sweet fragrance. Its climbing growth habit makes it suitable for trellises, fences, arches, and garden supports. These ornamental flowers grow best in cool weather with fertile, well-drained soil and suitable sunlight.
Produces fragrant flowers that add a pleasant scent to gardens and outdoor spaces.
Develops climbing stems with tendrils that attach to suitable supports such as trellises and fences.
Depending on the variety, blooms may appear in pink, purple, red, blue, lavender, and white.
Fragrant flower stems can be cut for bouquets and decorative indoor arrangements.
| Scientific Name | Lathyrus odoratus |
| Common Name | Sweet Pea; Climbing Sweet Pea |
| Plant Family | Fabaceae |
| Seed Type | Flower Seeds |
| Plant Type | Annual Flowering Vine |
| Flower Colors | Pink, purple, red, blue, lavender, and white, depending on variety |
| Flower Fragrance | Sweet and fragrant; intensity varies by variety |
| Growth Habit | Climbing vine with tendrils |
| Plant Height | Approximately 4–8 feet for many climbing varieties |
| USDA Hardiness Zones | Generally grown as a cool-season annual; performance varies by climate |
| Planting Season | Late winter or early spring in cool climates; autumn in mild climates |
| Germination Time | Approximately 10–21 days under suitable conditions |
| Germination Temperature | Approximately 55–65°F (13–18°C) |
| Sunlight | Full sun to light partial shade |
| Soil Requirements | Fertile, moisture-retentive, well-drained soil |
| Watering | Keep soil consistently moist without waterlogging |
| Plant Spacing | Approximately 6–8 inches, depending on variety and growing method |
| Support Requirements | Trellis, netting, fence, or other climbing support |
| Uses | Garden Trellises, Fences, Arches, Borders, and Cut Flowers |
Fragrant Climbing Sweet Peas add colorful blooms and a sweet scent to trellises, fences, and garden arches. With cool growing conditions, fertile soil, regular watering, and suitable climbing support, these ornamental vines can create an attractive seasonal display.
Find helpful answers about sweet pea seed preparation, climbing support, and flower fragrance.
Soaking sweet pea seeds in room-temperature water for several hours may help soften their hard outer coats and encourage water absorption. Some gardeners also gently nick the seed coat. Avoid damaging the inner seed, and follow the supplier's preparation instructions for the specific variety.
Climbing sweet peas grow well on trellises, garden netting, string supports, and fences with narrow sections that their tendrils can grasp. Install the support before or during planting to avoid disturbing the roots later. Guide young stems toward the support as they develop.
Grow sweet peas during cool weather in fertile, well-drained soil with adequate sunlight. Water regularly, provide suitable climbing support, and remove faded flowers before seed pods develop. Flower fragrance naturally varies by variety, so choose a strongly scented cultivar if fragrance is your priority.