Tuber
Swollen underground storage
Glossary Terms
Underplanting
Planting low-growing plants beneath taller ones to suppress
Upright Habit
Plants that have vertical or semi-vertical
Value Plugs (easiplants)
Great value young plants – all ready to grow on! These plants have been grown on in larger plugs and while they will still need potting on they are …
Variegated
Leaves that are spotted, edged or blotched with a different colour to the main
Ventilation
The control of air movement in a greenhouse or frame to regulate the
Vermiculite
A lightweight mineral used in some types of compost to aid water
Waterlogged
A soil that is saturated with water after heavy rainfall, or over-watering Can also be due to poor
Weed
A plant growing in the wrong
Whip
A young plant with no lateral