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

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

A few trees, in pots, are useful for early forcing, as they can be easily plunged in a pit or any other convenient place where a mild regular bottom heat can be supplied.

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 Keane, William

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 Moore, Thomas

Treated thus the plants will soon produce new shoots, which must be taken off and pricked out into small pots in a very open soil, and placed in a very gentle bottom heat to strike.

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 Keane, William

Be at the same time particular in maintaining a mild, genial 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 Keane, William