11 to 20 of 26 glossary items

Heel

The base of a stem where it joins the main stem. When a stem is torn from a larger branch, the heel is the piece of bark or wood retained at the base where it had been attached. Many cuttings root more readily with a heel.


Heeling in

Refers to the practice of temporarily planting a tree in a shallow trench until it may planted in its permanent site.


Herbaceous

Non-woody plants, whose upper parts die back to the soil surface at the end of the growing season each year.


Herbicide

Chemical used to kill and control weeds.


Hermaphrodite

Plant species having both male and female organs in the same flower. Also see Monoecious.


Heterophyllous

Plants with more than one type of leaf, such as when the leaves of the young plant are different from those in maturity.


Hip/hep

The fruit of a rose.


Hispid

Having a covering of stiff, bristly hairs.


Hoary

Having soft, greyish white hairs, usually on foliage.


Honey fungus

A fungus that attacks trees and woody shrubs. Infection spreads via the roots, and an infected tree will die once the fungus has girdled it, or caused extensive root rot.


11 to 20 of 26 glossary items