It ’s not always easy to define a native plant . you may not say a plant is aboriginal to a finicky U.S. state of matter , as that ’s too limited a description . Plants are native to regions or continents : North America , Central America , The Appalachian region of the U.S. , Midwest U.S. , Central Europe , China , North Africa , Japan , etc .
The EPA’s definition of native plants
In the U.S. , theofficial definition of a aboriginal plant is : “ Native plants ( also call indigenous plant life ) are plants that have evolved over thousands of years in a particular area . They have adapt to the geography , hydrology , and mood of that region . aboriginal plants occur in residential district , that is , they have evolve together with other plants . As a result , a community of native plants provides habitat for a smorgasbord of native wildlife species such as songbirds and butterfly . “
The EPA ’s definition of native plants makes no mention of homo . So we might bring that aboriginal plants are those that have develop and adapted over a particular geographic range ( for illustration , North America , from Canada to Florida ) , without human intervention .
Local adaptation of plants
Even within their natural geographical range , native plant life mintage are genetically adapted to local growing conditions . This adaptation is typically referred to as “ local provenance ” or “ ecotype ” . An ecotype is a subset of a species that possesses genetic version to local growing conditions . Sometimes ecotypic adaptation are visible to us as edition in shape , size of it , or coloring . Other ecotypic adaptations are not readily apparent , for case adaptations to various soil chemistries , minimal wintertime temperature , and drought margin .
Not as simple as you thought ? bring together the club . A Red Maple native to Florida may not hold up in Canada , even though it ’s native to both . Local adjustment is very important .
The good news is , many garden centers and plant nurseries specialize in native plants , so if the nursery is reputable , you may be convinced you ’re choosing a plant well - adapted to your climate . All wager are off at big box computer memory .
Why use native plants?
The benefit of using native plants is in creating a sustainable , low maintenance habitat . A shrub , tree or flower aboriginal to your local orbit has co - evolve with other shrubs , Sir Herbert Beerbohm Tree , flower , and wildlife to produce and support a various and robust ecosystem . Specific shuttle eat specific caterpillars in specific trees , aboriginal bee choose the nectar of sealed local native flowers , and your local aboriginal pine tree species have been a wintertime wildlife habitat for eon .
Native plants require less maintenance
Planting native also means less work for you . A flora adapt to your ecosystem has a better probability ofsurviving heat waves , droughts , flooding , highly dusty winters , and localpests and disease . former generations of that plant have make it these challenges and more and its genes have adjust to live local condition .
This is also a serious condition asclimate changepicks up fastness . A native plant has a much better chance of survive whatever ’s coming its way than a species imported from the other side of the earth .
How do non-native plants affect native plants?
When we establish non - natives , they can dissemble quite sharply in the landscape . They have few enemy to control their spread and as they move in , complex native flora communities , with hundreds of different works species support wildlife , are crowd out by the non - native industrial plant . This creates a monoculture in which the native community of plants and animals is reduced and simplified , with most native plant mintage disappearing . This leave only the non - aboriginal flora population inviolate . We hear about incursive coinage ofttimes when a new insect plague appear in our local surface area – they overrun and at time destruct the landscape . The same thing can chance with non - native plants .
Again , from theEPA internet site : “ For example , Purple Loosestrife colonizes wetland area , replacing native plants ineffective to compete for uncommitted sunlight , water , and nutrients . Wetlands infested with regal loosestrife turn a loss as much as 50 % of their original aboriginal plant populations . This limits the variety of food and cover available to birds and may get the wench to move or vanish from a region altogether . “
So there you have it . Go native .