Day Neutral Plant

Last Updated: August 7, 2017

Definition - What does Day Neutral Plant mean?

A day-neutral plant is a plant that flowers regardless of the amount of light of daylight it receives. Corn and rice are examples day-neutral plants that will bloom whether the day is long or short.

MaximumYield explains Day Neutral Plant

The amount of daylight a plant requires to bloom is called photoperiodism. Photoperiodism is what determines whether a plant is a short-day, long-day, or day-neutral variety.

A short-day plant is one that requires less than 12 hours of daylight in order to bloom, and a long-day plant requires more than 12 hours to blooms. A day-neutral plant doesn’t have these constraints.

Short-day plants would include the spring bloomers and bulb-producing plants that do best during the shorter daylight hours of spring, whereas a long-day plant will not form bloom buds unless it receives more daylight than short-day plants require.

Day-neutral plants can thrive in either condition. All of the self-pollinators in the grass or wheat family would all be day-neutral plants, along with some of the vine plants or climbing plants like cucumbers.

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