Plant Growing Guides

Nitrogen-fixing Cover Crops (Clovers & Vetches)

Trifolium spp., Vicia spp.

Nitrogen-fixing Cover Crops (Clover)

Trifolium spp. and related nitrogen-fixing legumes

Nitrogen-fixing Cover Crops (Vetch & Clover)

Vicia sativa (Common Vetch), Trifolium repens (White Clover), Trifolium pratense (Red Clover)

Nitrogen-fixing legumes (Alfalfa & Clover)

Medicago sativa (Alfalfa) / Trifolium spp. (Clover)

Nitrogen-fixing Legume Cover Crops

Fabaceae family (Trifolium spp., Phaseolus spp., Vicia spp.)

Nitrogen-fixing Legume Shrubs

Fabaceae family (various genera)

Nitrogen-fixing Legumes (Vetch and Clover)

Vicia spp. and Trifolium spp.

Nitrogen-Fixing Legumes (Alfalfa & Bird's-Foot Trefoil)

Medicago sativa (Alfalfa) & Lotus corniculatus (Bird's-Foot Trefoil)

Inga (Inga edulis)

Inga edulis

Nitrogen-fixing tropical vines

Various species (primarily Fabaceae family)

Niue Taro

Colocasia esculenta var. antiquorum

Nodding Lady's Tresses

Spiranthes cernua

Nodding Onion

Allium cernuum

Nodding Wild Rye

Elymus canadensis

Noni

Morinda citrifolia

Cereal Cover Crops

Avena sativa (oats) / Hordeum vulgare (barley)

Northeastern Bulrush

Scirpus pendulus

Northeast Legume Mix

Mixed Fabaceae species

Northern Bedstraw

Galium boreale

Northern Reedgrass

Calamagrostis stricta

Northern Seaoats

Chasmanthium latifolium

Northern White Violet

Viola pallens

Notocactus graessneri

Notocactus graessneri (Arechavaleta) Frič

Nottingham Catchfly

Silene nutans

American Spatterdock

Nuphar advena

Yellow Pond-lily

Nuphar lutea subsp. lutea

Yellow Pond-lily

Nuphar polysepalum

Nutmeg

Myristica fragrans

Nutmeg Tree

Myristica fragrans

Nuttall's Lobelia

Lobelia nuttallii

Oak Sedge

Carex quercetorum

Oat Groats Hulless Paul

Avena sativa

Oats (Nurse Crop)

Avena sativa

Oats (Nurse Crop) Marion

Avena sativa 'Marion'

Oats and Barley

Avena sativa (Oats) / Hordeum vulgare (Barley)

Obedient Plant

Physostegia virginiana

Oblong Sundew

Drosera intermedia

Obtuse Sedge

Carex obtusata

Oca

Oxalis tuberosa

October Skies

Aster novi-belgii 'October Skies'

Oha

Metrosideros polymorpha

Ohe

Tetraplasandra waimeaensis

Ōhelo

Vaccinium reticulatum

Ohelo Berry

Vaccinium reticulatum

Ōhelo Berry

Vaccinium reticulatum

Ohia Ai

Syzygium malaccense

ʻŌhiʻa lehua

Metrosideros polymorpha

Oka

Oxalis tuberosa