bottom heat

American  

noun

Horticulture.

1. heat artificially applied to a container in which plants are grown in order to induce their germination, rooting, or growth.

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Etymology

Origin of bottom heat

First recorded in 1880–85

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Example Sentences

See Examples For:

bottom heat

Pepper seeds may take two weeks to germinate without bottom heat to the seed tray.

From Washington Post ● Mar. 2, 2021

I have before recommended hot water tanks for supplying bottom heat, with attached pipes for the circulation of hot water to warm the atmosphere.

From Theory and Practice, Applied to the Cultivation of the Cucumber in the Winter Season To Which Is Added a Chapter on Melons by Thomas Moore

In fact, I do not consider bottom heat as essential even for chicks.

From Natural and Artificial Duck Culture by James Rankin

Only the most refractory kinds, which would not grow readily in the field, or such as were yet rare, were propagated from cuttings, by using the single eye and artificial bottom heat.

From American Pomology Apples by J. A. Warder

Start old and young plants of Clerodendrons, Dipladenias, and Stephanotis, in a sweet bottom heat.

From In-Door Gardening for Every Week in the Year Showing the Most Successful Treatment for all Plants Cultivated in the Greenhouse, Conservatory, Stove, Pit, Orchid, and Forcing-house by William Keane

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