Related by context. Frequent words. (Click for all words.) 54 root 48 rhizome 47 rhizomes 46 yarrow 46 shrub 44 shade tolerant 44 knotweed 44 herb 43 nutrient deficiencies 42 dandelion 42 groundcovers 42 bindweed 41 alkaloids 41 tuber 40 legume 40 root rot 39 rootstock 39 qat 39 tall fescue 39 Phytophthora 39 groundcover 38 yucca 38 alkaloid 38 seedlings 38 nitrogen fixing 38 coca 38 wormwood 37 opium poppy 37 sprouts 37 seedling 37 cuttings 37 khat 36 broadleaf 36 marijuana 36 seeds 36 cannabis 36 milkweed 36 crabgrass 36 weed 36 Fertilizing 36 malunggay 36 medicinal herb 35 foliar 35 grubs 35 agave 35 replant 35 coca crop 35 blue agave 35 anthracnose 35 opium 35 weeds 35 replanted 35 mild stimulant 35 buds 34 defoliate 34 coca leaf 34 Robusta 34 cassava 34 taproot 34 papaya 34 downy mildew 33 kudzu 33 cacao 33 nematode 33 prune 33 grape 33 illicit opium 33 vanilla beans 33 vine 33 bud 33 opium poppies 33 aerate 33 arabica 33 psychoactive 33 yerba mate 32 sago 32 resistant varieties 32 cacao beans 32 herbicide resistant 32 Bermuda grass 32 poppy crop 32 Marijuana 32 sprout 32 leaf 32 plantain 32 hoodia 32 suckering 32 bloom 32 coca crops 32 glyphosate 31 Roundup herbicide 31 Mexican cartels 31 Tijuana cartel 31 pampas grass 31 seed germination 31 narcotics traffickers 31 arecanut 31 medicinal herbs 31 herbal tea 31 pisco 31 Royal Botanic Gardens