Nurseries play a role in spreading weedy non-natives

Gardeners love to grow French broom. Its slender branches and vibrant yellow flowers grow easily. The nursery industry also likes the pretty shrub because it germinates easily and produces seed prolifically. When a successful non-native variety like French broom comes along, growers cultivate the plant and it tends to do well. Really well.

Nonendemic plants thrive because they have few competitors to curb excessive growth and “keeping (them) in your yard is difficult,” said Robert Dolezal, executive vice-president of the nursery trade organization California Association of Nurseries and Garden Centers.

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