Related by context. Frequent words. (Click for all words.) 69 Japanese knotweed 69 purple loosestrife 67 buckthorn 67 knotweed 66 invasive weeds 66 weeds 66 garlic mustard 65 loosestrife 65 pampas grass 64 Eurasian milfoil 64 bindweed 63 barberry 63 invasives 63 hackberry 63 berry bushes 62 invasive weed 62 blackberry bushes 62 noxious weeds 62 woody plants 62 spotted knapweed 61 spurge 61 privet 61 invasive species 60 fireweed 60 groundcover 60 hickories 60 phragmites 60 hemlock trees 60 noxious weed 60 oleanders 60 shrubby 60 giant hogweed 60 junipers 60 chickweed 60 shrubs 60 poison ivy 59 ragwort 59 honeysuckle 59 Phytophthora 59 Poison ivy 59 tamarisk 59 aquatic weeds 59 manzanita 59 shade tolerant 59 leafy spurge 59 hemlock woolly adelgid 59 anthracnose 59 pests 58 trilliums 58 dandelions 58 understory 58 salt cedar 58 spider mites 58 knapweed 58 spp 58 conifers 58 groundcovers 58 vinca 57 poison oak 57 lantana 57 shrub 57 vetch 57 lupines 57 invasive pests 57 bracken 57 cheatgrass 57 thistles 57 evergreen shrub 57 crabgrass 57 dogwood 57 whiteflies 57 viburnum 57 ferns 57 water hyacinth 57 Aphids 57 phlox 56 mountain laurel 56 river birch 56 skunk cabbage 56 Hydrilla 56 kudzu 56 cankers 56 Invasive species 56 insect pest 56 rhododendron 56 broadleaf weeds 56 cattail 56 horsetail 56 hollyhocks 56 conifer 55 rhododendrons 55 invasive pest 55 fern 55 willows 55 hyacinth 55 root rot 55 Mulching 55 insect infestations 55 powdery mildew 55 nasturtium 55 deciduous tree