Vancouver, known for its mild climate, has witnessed an early bloom of flowers amid a record-setting warm December. However, the unseasonably high temperatures are about to face a stark contrast as a cold snap from the Arctic is expected to sweep through the region.
The warmest December since 1939 has prompted the blossoming of several non-native flower species across Vancouver and the Lower Mainland. With average daily highs in the City of Vancouver reaching 7°C, which is 3.4°C above the seasonal average, flowers typically associated with early spring, such as daffodils at English Bay, have made an appearance.
Despite this premature bloom, the impending cold weather threatens the survival of these blossoms. Social media platforms have been flooded with images capturing the vibrant flowers, setting a stark contrast to the anticipated freezing temperatures forecasted for the coming days.
Douglas Justice, Director of Science at the University of British Columbia (UBC), notes that many of the currently blooming plants are non-native to the region, originating from warmer climates along the Mediterranean and southern China. The discrepancy in chilling requirements between native and non-native species becomes apparent, with the latter blooming more rapidly due to a lower chilling requirement.
As temperatures are expected to drop significantly, reaching as low as -5°C or -6°C, the delicate blossoms may not withstand the cold, facing the risk of damage or wilting. However, Justice assures that while the exposed flowers may not survive the cold, the plants are equipped with natural defenses in their DNA to endure such temperature variations.
The city’s residents, known for their affinity towards gardening, may witness some impact on local flora if the cold spell persists. Nevertheless, the robust nature of the region’s vegetation, combined with genetic adaptations, is expected to ensure the survival of the plants, even if the early blooms face a temporary setback.
As Vancouver braces for a weather shift, the juxtaposition of the recent bloom and the impending cold snap adds a touch of uncertainty to the fate of these early spring heralds. Residents and nature enthusiasts remain watchful as the city anticipates the intersection of early blossoms and Arctic temperatures in the coming days.
