swani wrote: > > No worries, I have killed the ones I had potted up to plant in autumn, and > am intending to offer the nice old lady down the road who gave them to me > something else in exchange for pulling hers out too ( the parents of the > ones I had). It may already be too late tho... I have seen others > occasionally. > On another note, can anybody direct me to a list of plants which are > invasive in the states? The ones which I should not send to my seed swapping > friends over there. > Swani
Whew! Thanks & go for it!
I haven't found a comprehensive online list -- as everyone's
been saying, most "invasive" plants are not invasive in
their home range, and oh boy, do we have a lot of range here
in the US. Here's a general list compiled by the Brooklyn
Botanical Garden (http://www.bbg.org), from their handbook
"Invasive Plants: Weeds of the Global Garden", of plants
that *can* be invasive here given the right conditions:
TREES
Acacia auriculiformis (Earleaf Acacia)
Acer ginnala (Amur Maple)
A. platanoides (Norway Maple)
Ailanthus altissima (Tree of Heaven)
Bischofia javanica (Bishopwood)
Broussonetia papyrifera (Paper Mulberry)
Casuarina equisetifolia (Australian Pine)
Cupaniopsis anacardiodes (Carrot Wood)
Eucalyptus globulus (Bluegum Eucalyptus)
Ficus altissima (Lofty Fig)
F. benghalensis (Banyan Fig)
F. carica (Edible Fig)
F. microcarpa (Laurel Fig)
Melaleuca quinquenervia (Cajeput Tree)
Melia azedarach (Chinaberry Tree)
Paulownia tomentosa (Princess Tree)
Populus alba (White Poplar)
Robinia pseudoacacia (Black Locust)
Sapium sebiferum (Chinese Tallow Tree)
Schefflera actinophylla (Queensland Umbrella Tree)
Tamarix ramosissima, T. chinensis, T. parviflora
(Tamarisk)
Ulmus pumila (Siberian Elm))
SHRUBS
Ardisia elliptica (Shoebutton Ardisia)
Berberis thunbergii (Japanese Barberry)
Buddleia davidii (Butterfly Bush)
Cotoneaster microphyllus, C. pannosus, C. lacteus
(Cotoneaster)
Crataegus monogyna (Singleseed Hawthorn)
Cytisus scoparius (Scotch Broom)
Elaeagnus angustifolia (Russian Olive)
Elaeagnus umbellata (Autumn Olive)
Euonymus alatus (Burning Bush)
E. fortunei (Wintercreeper)
Ilex aquifolium (English Holly)
Ligustrum vulgare, L. sinense, L. japonicum (Privet)
Lonicera maackii, L. morrowii, L. tatarica (Bush
Honeysuckle)
Myoporum laetum
Nandina domestica (Heavenly Bamboo)
Rhamnus cathartica (Common Buckthorn)
R. frangula (Smooth Buckthorn)
Rosa multiflora
Scaevola sericea [S. taccada] (Beach Naupaka)
Schinus terebinthifolius (Brazilian Pepper)
Spiraea japonica
Taxus cuspidata (Japanese Yew)
Viburnum opulus var. opulus (Guelder Rose)