Related by context. Frequent words. (Click for all words.) 56 Powdery mildew 55 seedheads 55 tillering 54 sclerotinia 54 Spider mites 54 alkaline soils 54 mealy bugs 53 stinkbugs 53 flowering vines 53 fungal pathogens 53 cucurbits 53 winter hardiness 52 sooty mold 52 leafhoppers 51 variegation 51 vining 51 herbicide resistant crops 51 teosinte 50 desiccation 50 sepals 50 ocotillo 50 bollworm 50 fungal pathogen 50 monocultures 50 pasture grasses 50 herbivory 50 sawfly 49 mycorrhizal fungi 49 bollworms 49 showy flowers 49 nutrient uptake 49 Ornamental grasses 49 Botrytis 49 flowering annuals 49 transgenes 49 Aphid 49 ceanothus 49 photoperiod 49 fecundity 49 fungal diseases 48 trumpet vine 48 foliar 48 Tannins 48 lupine 48 unfertilized 48 whitefly 48 yuccas 48 cutworm 48 pest insects 48 seed germination 48 woody stems 48 lupins 48 anthers 48 evergreen foliage 48 rosehips 48 broad leafed 48 herbaceous plants 48 seedpods 48 panicles 47 rust fungus 47 taproots 47 wheat stubble 47 arid climates 47 P. ramorum 47 flowering 47 mealybugs 47 pigeon pea 47 milkweeds 47 anthracnose 47 ripening fruit 47 oxalis 47 celosia 47 Impatiens 47 fescues 47 self pollinating 47 dodder 47 insect pest 47 euphorbia 47 unsprayed 47 epiphytes 46 seeds germinate 46 photosynthesizing 46 dense canopy 46 apple scab 46 corn earworm 46 cankers 46 Aphids 46 heterosis 46 insects 46 spurge 46 tuberous begonias 46 vetch 46 Germination 46 glyphosate resistant weeds 46 weed seeds 46 Flowering plants 46 nitrogen fixing 46 fruiting bodies 46 evergreen shrubs 46 hackberry 46 waterhemp