Living · 6 pages · 12 min
Why a biennial takes two seasons
A biennial stores through the first season, then flowers and dies in the second after a cold cue.
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From the opening
A biennial grows leaves and storage in its first season and does not flower until the second, after a winter or another cold period has passed. It then blooms, sets seed, and dies, so the whole life takes two seasons rather than one or many. The opening covers year one is for storage, cold cues the second season, and bolting spends the stored root.
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Inside
- Year one is for storage
- Cold cues the second season
- Bolting spends the stored root
- A mild winter can stall the cue
- Where the idea stops applying
- A distinction worth keeping
Sources
- Biennial life cycles and vernalization
- Bolting as the flowering year of a biennial