Half-hardy Perennial (Tender Perennial)
A perennial that can be grown outdoors during the summer months but that needs to be protected from frost during the
Glossary Terms
Hardening off
The process of acclimatisating plants, before planting them outside in the garden, that have been grown in a heated greenhouse or indoors. In late spring …
Hardy
A plant that has a high tolerance to the weather extremes (frost, drought) and can be planted directly
Hardy Perennial
A perennial plant that will tolerate frost and can be left in the garden throughout the
Heavy Soil
Soil that has a high proportion of clay and so is “heavy” to
Heeling In
Temporary planting prior to moving the plant or tree to its final
Herb
A plant grown for its flavour or medicinal
Herbaceous
A plant that does not form a woody
Herbaceous
A plant which dies down to ground level at the end of the growing
Herbaceous Plant
A non-woody plant that dies back losing its top growth at the end of its growing season, usually in autumn. New growth appears in