Related by context. Frequent words. (Click for all words.) 62 noxious weeds 60 noxious weed 59 purple loosestrife 58 invasive weed 58 thistles 57 gray squirrels 57 weeds 57 pests 56 oilseed rape 56 spider mites 56 weed seeds 56 powdery mildew 56 insect pests 54 invasive weeds 54 rhododendron 54 garlic mustard 54 pest 54 invasives 54 hedgerows 53 aphids 53 badgers 53 buckthorn 53 root rot 53 dandelions 53 Defra 53 snowdrops 53 crabgrass 53 weevils 53 bluetongue 53 aphid 52 nettles 52 heathland 52 feral animals 52 clover 52 lantana 51 midge 51 hedgerow 51 fungal disease 51 fungal diseases 51 bluebells 51 moorland 51 dieback 51 gray squirrel 51 weevil 51 hyacinth 51 poison ivy 51 fungi 50 gorse 50 infestations 50 brambles 50 rhododendrons 50 fly tippers 50 DEFRA 50 feral pigs 50 Chilterns 49 fly tipping 49 infestation 49 fungus 49 invasive species 49 bovine TB 49 conifers 49 thistle 49 woodland 49 didymo 49 foxes 48 insect infestations 48 shrub 48 elms 48 caterpillars 48 groundcover 48 blight 48 spp 48 Pests 48 undergrowth 48 nematodes 48 milkweed 48 daffodil 48 Royal Horticultural Society 48 conifer 48 voles 48 woody plants 48 heather 48 woodlands 48 crape myrtle 48 water hyacinth 48 biting insects 48 ryegrass 47 dandelion 47 weed 47 gypsy moth 47 milfoil 47 poison oak 47 clematis 47 C difficile 47 cheatgrass 47 crocus 47 conkers 47 ornamentals 47 beetle infestation 47 gypsy moths 47 poplars