Starting gardeners typically ask, what’s the distinction between an evergreen and a deciduous tree or shrub? The brief reply is, a deciduous tree or shrub sheds its leaves in fall and the plant grows new foliage once more in spring; an evergreen tree or shrub retains all or most of its foliage 12 months spherical.
However as with almost every little thing in gardening, the definition isn’t so clear lower. The lengthy reply is, there are additionally semi-evergreen and semi-deciduous crops.
Why you’ll want to know the distinction between evergreen and deciduous
Evergreen and deciduous timber and shrubs play totally different roles within the panorama, particularly in winter. Evergreens can be utilized for year-round windbreaks and all-season safety from extreme climate. Together with evergreen shrubs, in addition they add some inexperienced to an in any other case grey panorama within the coldest months.
Deciduous timber might be planted to strategically shade your house from late afternoon solar in summer season. When their leaves are absent in winter, together with the shade, the solar warms your house within the afternoon. Apart from the utilitarian capabilities, aesthetics play a task too. Earlier than planting, take into consideration the way you’d like your panorama to look in all 4 seasons, which crops praise one another, and plant accordingly (please select native crops to your space). There are additionally causes for planting evergreens and deciduous crops to learn your native ecosystem and wildlife habitat.
What’s an evergreen tree or shrub?
An evergreen is a perennial that retains its leaves all year long and into the subsequent rising season. Really, evergreens solely seem to maintain their leaves all season. They lose their leaves step by step all year long, and never like deciduous crops (therefore, pine needles on the forest ground).
Some evergreens have leaves we name “needles” – lengthy and skinny and generally sharp, like these on pine timber or blue spruce. Others have thick, broad leaves which can be leather-like, such because the foliage on rhododendrons. Some evergreens produce cones as a substitute of flowers and are known as conifers – like pine, cedar, and spruce timber. Most conifers are evergreens, however not all.
A plant is alleged to be semi-evergreen when their progress sample falls between evergreen and deciduous. They might shed their foliage for less than a short while in winter, after which regrow leaves a month or two later. Different semi-evergreens could lose some however not all of their leaves for less than a fraction of a season. A semi-evergreen may additionally be evergreen in a gentle local weather however deciduous in a colder local weather.
Examples of evergreens
Many of the timber and shrubs listed are plant households. Some are frequent names. Please seek the advice of your native college extension for evergreen crops which can be hardy in your space.
|Anacua (Knockaway, Sandpaper Tree)||Juniper|
|Anacahuite (Wild Olive) (Mexican-Olive)||Leucothoe|
|Bayberry (semi-evergreen)||Mountain Laurel|
|Calliandra (semi-deciduous or evergreen relying on local weather)||Pyracantha|
|Cedar||Rhododendron / Azalea|
|Cercocarpus (mountain mahogany)||Snowbrush|
What’s a deciduous tree or shrub?
Usually, deciduous timber and shrubs lose their leaves on the finish of the rising season. In temperate areas, this happens within the fall, and in tropical and sub-tropical areas within the dry season. Normally, leaves flip from inexperienced to orange, yellow or purple, after which brown proper earlier than they fall. Deciduous crops additionally could lose their leaves when beneath stress from poor planting, prolonged warmth, drought, pests, or illness. The deciduous tree or shrub can lose leaves at anytime when situations ship the plant into dormancy.
A plant is semi-deciduous in the event that they shed leaves (go into dormancy) for less than a part of summer season or winter.
Examples of deciduous timber and shrubs
Most of the timber and shrubs listed are plant households. Some are additionally frequent names. Please seek the advice of your native college extension for deciduous crops which can be hardy in your space.
|Aesculus (buckeye, horse chestnut)||Jacaranda|
|Aspen||Maclura (osage orange, horse apple, hedge apple)|
|Buddleia (Butterfly Bush)||Pawpaw|
|Callicarpa (Magnificence Berry)||Pecan|
|Calycanthus (sweetshrub, carolina allspice)||Persimmon|
|Cephalanthus (button bush)||Plum|
|Crataegus (hawthorn, quickthorn, thornapple, cockspur thorn, maytree, hawberry)||Staphylea (bladdernut)|
|Gymnocladus (coffeetree)||Witch Hazel|