Here are 20 invasive shrubs to keep an eye out for. Other invasive shrubs in this list include:
Autumn olive (Elaeagnus umbellata) Beach vitex (Vitex rotundifolia) Burning bush (Euonymus alatus) Bush honeysuckle (Lonicera tatarica) Cape honeysuckle (Tecomaria capensis) Common gorse (Ulex europaeus) English holly (Ilex aquifolium) European cranberrybush (Viburnum opulus) European privet (Ligustrum vulgare) Heavenly bamboo (Nandina domestica) Himalayan blackberry (Rubus armeniacus) Japanese barberry (Berberis thunbergii) Japanese spiraea (Spiraea japonica) Japanese tree lilac (Syringa reticulata) Lantana (Lantana spp.) Multiflora rose (Rosa multiflora) Scotch broom (Cytisus scoparius) Staghorn sumac (Rhus typhina) Wineberry (Rubus phoenicolasius)
While it can get out of hand, I think the Cape honeysuckle can still be worth it. The bright orange colors add a happy note to the garden and hummingbirds love to zip around the flowers. This shrub can be pruned into a hedge and kept under control. One key feature is the high oil levels in this plant, making is especially susceptible to fire. Over time the plant has adapted and now has better germination rates after being hit by fire. It looks a lot like Scotch broom, another invasive shrub in this collection. Watch out for the thorns all over the plant. Bees, birds and butterflies favor common gorse. This bramble is considered to be either a shrub or subshrub and bears its fruit on canes that are covered with sharp thorns.
