Expect Longer waiting time for Sakura floral display at Flower Dome
Please expect longer waiting time in Flower Dome due to the popularity of Sakura floral display. We apologise for any inconvenience caused and appreciate your patience.
Advisory for use of tripods at Sakura floral display
To better manage the crowds for safe movement of all visitors, the use of tripods for photo-taking at Sakura floral display in Flower Dome is not allowed on Fridays, Saturdays, Sundays and Public Holidays.
Upgrading and development works around Gardens
Development works at Bay East Garden from 24 Oct 2023. The promenade and area under the Benjamin Sheares Bridge will remain accessible to the public.
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Scarlet Sage (Salvia splendens)
Native to southeastern Brazil, scarlet sage (Salvia splendens) is a perennial sage species that reputedly grows several meters tall in its tropical mountain habitat at elevations of 1000 to 3000 metres. The long spikes of densely packed, tubular, red flowers are perfectly adapted to hummingbird pollination, but honeybees and butterflies also flock to the flowers for their abundant, though dilute, nectar.
Scarlet sage is a member of the mint family’s largest genus, Salvia, which contains over 900 species, including culinary sage (Salvia officianalis), used to impart its pungent, resinous aroma to savory dishes. Salvia comes from the Latin word salvus, meaning 'healthy,' as many Salvia species produce a wide range of pharmacological compounds and are widely used in herbal medicines. While scarlet sage is only mildly aromatic and generally grown solely as a flowering ornamental, it too is being studied as a possible diabetes treatment.
As part of our continuing commitment to sustain horticultural excellence and maintain a steady supply of show-worthy plants, we’ve grown 700 Vista™ Red salvias from seed at our HortPark prototype glasshouses as part of Sustainable Christmas Poinsettia Wishes display.
Scarlet sage usually flowers during the summer in temperate climates and requires a long day length of over 12 hours to trigger the shift to reproductive development, however, the day length in Singapore averages around 12 hours year-round. To get around this natural barrier, we turn on the lights in our glasshouses from 10pm-2am in a growing technique called night interruption. This late night four-hour period is when plants are most sensitive to light at night, so even low levels of light at this time trick the plants into sensing a longer day, thus triggering floral production.
Scarlet sage growing in the Flower Dome in July-August 2020.
The first reddish inflorescence spike shows on a scarlet sage plant after night interruption treatment to trigger flower production.
Under natural or induced short-day conditions, this scarlet sage variety takes around 8-10 weeks to begin flowering and another 2-4 weeks to reach its full flowering potential, so come see them adding brilliant red holiday cheer to our Flower Dome Poinsettia Wishes display, from 27 November 2020 to 3 January 2021!
Grown to a high degree of uniformity at plants at one of our HortPark prototype glasshouses, these scarlet sage plants have been simultaneously triggered to produce flowers in time for our Christmas display.
Written by: Janelle Jung, Senior Researcher (Research and Horticulture)
A transplanted pake (Hawai'i-born Chinese), she's finding her own Singaporean roots. Every plant has a story, and Janelle helps discover and share these with colleagues and guests, hoping to spark a mutual plant passion! Ask her what plant she named her cat after!
This article is part of our What's Blooming series.
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