bottom heat

noun

, Horticulture.

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

First recorded in 1880–85

After this dressing, the plants needed not to be moved again till they ripened their fruit, unless they required more bottom heat.

Mr. Gunter tried to substitute the heat of steam for that of tan, as a bottom heat, but did not succeed.

A bottom heat will be necessary when they are repotted, which may be done in about three weeks or a month.

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

To be then favoured with a bottom heat of from 75 to 80, and slightly shaded during bright sunshine.

April 23, 2024inveterate

[in-vet-er-it ]

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