The Essential Guide To The Hypericum
Botanical Name: Hypericum spp.
Common Name: St. John's Wort (pertaining to the genus Hypericum), though in floristry often referred to simply as Hypericum.
General Knowledge: The Hypericum, commonly known as St John's Wort, is originally from Europe but has become widespread across various climates including Australia. It is predominantly used for its decorative berries in floral arrangements and as a medicinal herb reputed for its antidepressant properties. A fun fact about Hypericum is that the plant's leaves and petals exhibit tiny, visible perforations when held up to the light, which is the origin of its botanical name, Hypericum perforatum.
Colour Range: The berries come in a variety of shades including cream, brown, orange-red, pink-red, yellow-green, and green.
Australian Seasonal Availability: Naturally, Hypericum is available in the summer and autumn seasons. However, with the aid of artificial lighting, some growers have been able to extend the availability of these plants.
Australian Wedding and Event Season Availability: Due to the extended growing techniques, Hypericum is potentially available for weddings and events year-round.
Commercial Growth in Australia: Hypericum is commercially grown in Australia.
Buying Tips: When purchasing Hypericum, look for bunches with plump, vibrant berries and healthy, undamaged leaves and stems. Avoid stems with signs of insect damage or disease.
Expected Vase Life: A relatively long-lasting bloom, Hypericum can last between 10 to 14 days in a vase.
Typical Stem Length: Stems can reach up to 60 cm, making them suitable for a variety of arrangements.
Typical Bunch Size: Bunches usually consist of 10 stems.
Care and Handling: It is crucial to keep Hypericum hydrated to maintain its freshness. Regular water changes and stem trimming can help prolong vase life.
Floral Preservative: It is recommended to use a floral preservative to extend the freshness of Hypericum.
Ethylene Sensitivity: Hypericum is not sensitive to ethylene gas, so it is less susceptible to ethylene-induced wilting or premature berry drop.
Cool Storage: Optimal storage temperatures are between 2–4 °C. Proper cool storage is key in maintaining the longevity of the blooms.
Special Notes: Leaves may dry out before the berries lose their appeal; removing some or all the leaves may enhance the appearance. Be cautious not to cultivate Hypericum perforatum, as it is considered a noxious weed.
Design Uses in Floristry: Hypericum is excellent for adding depth and interest in arrangements. It works well as a supporting element to focal flowers like roses and can also serve as a transitional element linking different parts of an arrangement together. Its varied berry colours are particularly well-suited for autumnal themes and Christmas decorations.
Hydration: Always keep the stems in water. Re-cut the stems every few days to ensure continued water uptake.
Cool Rooms: Use cool rooms set between 2–4 °C to store Hypericum, especially when not on display or during transport.
Vase Solutions: Utilise vase solutions with floral preservatives to support the health and longevity of the stems.
Avoiding Problems: Monitor for signs of drying leaves or berry damage and address issues promptly. This may involve trimming affected areas or changing the water more frequently.
Care of Ethylene Sensitive Products: Keep away from fruits and car exhausts to prevent premature wilting or berry drop.