Plant Growing Guides

Free guides for growing vegetables, herbs, flowers, and more. 284 plants. New to gardening? Check out the glossary.

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Type Vegetable Herb Flower Fruit Vine Shrub Tree Succulent Grass

Sun ☀️Full Sun ⛅Part Sun/Shade ☁️Shade

Speed Quick (< 45d) Medium (45–70d) Long (70d+)

Zone 1 2 3 4 5 6 7 8 9 10 11 12 13

Showing 284 plants (filtered)

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Oak

Quercus species

Oakington Blue Eyes

Veronica chamaedrys subsp. chamaedrys

Oak Leaf Lettuce

Lactuca sativa var. crispa

Oakleaf Candytuft

Iberis sempervirens

Oakleaf Hydrangea 'Munchkin'

Hydrangea quercifolia 'Munchkin'

Oakleaf Hydrangea Pee Wee

Hydrangea quercifolia 'Pee Wee'

Oakleaf Lettuce

Lactuca sativa var. crispa

Oakleaf Lettuce Green Oakleaf

Lactuca sativa var. crispa

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Oak Park Blue Phlox

Phlox divaricata subsp. laphamii 'Oak Park Blue'

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Oba

Hyptis suaveolens

Oblong-leaved Sundew

Drosera intermedia

October Daphne

Sedum sieboldii

October Daphne Sedum

Sedum sieboldii 'October Daphne'

Odontioda Cracens

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Odontoglossum Crispum Hybrid Orchid

Odontoglossum crispum × (hybrid parentage)

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Odontoglossum × Wilsonara

Odorata

Reseda odorata

Odorata White Water Lily

Nymphaea odorata var. alba

Sweet Osmanthus

Osmanthus fragrans var. odoratissima

Evening Primrose

Oenothera biennis

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Ogo

Gracilaria parvispora

Ogon

Sedum japonicum 'Ogon'

Oha wai

Clermontia arborescens

Ohia

Metrosideros polymorpha

Ohia Lehua

Metrosideros polymorpha

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Ohia Palai

Metrosideros polymorpha

Ohi'a Wai

Syzygium sandwicense

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Oilseed Radish

Raphanus sativus var. oleifer

Okinawan Amaranth

Amaranthus tricolor

Okinawan Spinach

Alternanthera sissoo

Oklahoma Dwarf Pansy

Viola × wittrockiana 'Oklahoma Dwarf'

Oleander 'Sister Agnes'

Nerium oleander 'Sister Agnes'

Oleander Variegata

Nerium oleander 'Variegata'

Daisy Bush

Olearia

Holly-leaf Olearia

Olearia macrodonta

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Olearia microdisca

Daisy Bush

Olearia paniculata

Olearia stellulata

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Olga Mezitt

Rhododendron 'Olga Mezitt'

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Olive Ball Sedum

Sedum burrito var. burrito or Sedum 'Olive Ball'

Excavatum Orchid

Oncidium excavatum

Oncidium 'Goldrush Sunset'

Oncidium × 'Goldrush Sunset'

O'Neal Rabbiteye Blueberry

Vaccinium ashei 'O'Neal'

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Ong Choy

Ipomoea aquatica

Opal Basil

Ocimum basilicum 'Opal'

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Alpine Bee Orchid

Ophrys alpina

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Oppenheimiana Cactus

Rebutia oppenheimiana

Orach

Atriplex hortensis

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