Sweet Pea 'Shell Pink'

Quick Facts

• Botanical Name: Lathyrus odoratus
• Classification: Modern Grandiflora
• Petal Pattern: Solid / Self
• Color Profile: Pearly apricot-pink blooms set against uniquely contrasting reddish-brown calyxes and pedicels (stems)
• Fragrance: Highly Scented (Features a gentle, earthy musk profile with fresh oak undertones)
• Breeder: Dr. Keith Hammett
• Year Introduced: 2023
• Flowering Type: Summer-flowering (requires approximately 12 hours of daylight to initiate blooms)

Overview

'Shell Pink' is an exquisite recent introduction that brings a highly refined, romantic aesthetic to the sweet pea world. The blossoms display a luminous, pearly apricot-pink complexion that contrasts dramatically with the flower's dark, reddish-brown stems and calyxes. Producing an abundance of dainty, petite flowers and boasting a remarkably tidy growth habit, it is an exceptionally enduring bloomer. Thanks to these elegant qualities and its soft pastel palette, it is rapidly becoming a premier choice among floral designers for wedding bouquets and event centerpieces.

Growth Habit

While it is celebrated for its neat, manageable structure and petite blooms, it is still a climbing summer-flowering vine that needs reliable vertical support. Securing the plants to a trellis, obelisk, or netting will encourage healthy upward stretch and provide the straight stems necessary for premium floral arrangements.

Cultivation Notes

To yield the strongest plants, initiate your seeds in deep modular trays (like Rootrainers) to establish a healthy, downward-reaching taproot system. Once the risk of frost has passed, transplant them into a well-nourished, deeply trenched bed. Nip out the central growing shoot when the young vines are a few inches tall to promote the growth of vigorous side branches. Ensure the soil remains consistently moist throughout the warm months, and harvest the blossoms incessantly. If the plant is allowed to develop seed pods, it will prematurely halt the production of new flowers.

Historical Notes

This remarkable cultivar was bred by the legendary contemporary sweet pea specialist, Dr. Keith Hammett of New Zealand, and officially introduced to the horticultural market in 2023. Hammett is world-renowned for developing unique color breaks, color-shifting flowers, and intensely fragrant varieties, making any of his modern introductions a highly sought-after prize for serious collectors. (Note: Horticultural records do show older varieties sharing this name from the 1920s, but this listing represents the highly popular 2023 Hammett introduction).

In the Garden

Grown for: Providing an abundance of exquisite, petite cut flowers for delicate bridal work, and offering a striking visual contrast in the garden thanks to its dark stems and pale blooms.

Companion Planting: The soft apricot-pink petals and dark stems allow it to act as a brilliant bridge between pale and moody garden palettes. It pairs flawlessly with warm creamy whites (like 'Jilly' or 'Clotted Cream') or rich, dark maroons (such as 'Almost Black' or 'Windsor') to beautifully echo its dark calyxes.