Plant Growing Guides

Free guides for growing vegetables, herbs, flowers, and more. 88 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 88 plants (filtered)

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Oaxacan Blue

Salvia hispanica var. oaxacana

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Oba

Hyptis suaveolens

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Obovata

Peperomia obovata

Ocotillo

Fouquieria splendens

October Daphne

Sedum sieboldii

Oculatus Basil

Ocimum basilicum 'Oculatus'

Sweet Osmanthus

Osmanthus fragrans var. odoratissima

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Common Basil

Ocimum basilicum

Ohai

Sesbania tomentosa

Oha wai

Clermontia arborescens

Ohelo Berry

Vaccinium reticulatum

Oleander

Nerium oleander

Oleander 'Pink Petite'

Nerium oleander 'Pink Petite'

Oleander 'Sister Agnes'

Nerium oleander 'Sister Agnes'

Oleander Variegata

Nerium oleander 'Variegata'

Daisy Bush

Olearia

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Olearia microdisca

Dusty Daisy Bush

Olearia phlogopappa

Olena

Curcuma longa

Opal Basil

Ocimum basilicum var. purpurascens

Opal Basil

Ocimum basilicum 'Opal'

Optica Rubra

Ocimum basilicum var. purpurascens 'Optica Rubra'

Optima Basil

Ocimum basilicum 'Optima'

Opuntia

Opuntia ficus-indica

Opuntia Ellisiana

Opuntia ellisiana

Indian Fig Prickly Pear

Opuntia ficus-indica

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Opuntia megacantha

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Orange Awapuhi

Zingiber zerumbet

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Orange Flowering Maple

Abutilon aurantiacum

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Orange Hibiscus

Hibiscus rosa-sinensis

Orange Ixora

Ixora coccinea

Orange Zest

Ocimum basilicum 'Orange Zest'

Orchid Fern

Rhaphidophora tetrasperma

Oregano

Origanum vulgare

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Oreocereus

Oreocereus (genus)

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Organ Pipe

Stenocereus thurberi

Ornamental Basil

Ocimum basilicum var. ornamentale

Ornamental Purple

Iresine herbstii

Ornamental Shrubs

Various species (Genus-dependent)

Oro di Bogliasco

Ocimum basilicum 'Oro di Bogliasco'

Osmanthus

Osmanthus fragrans

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Osmin Purple Basil

Ocimum basilicum 'Osmin Purple'

Hawaiian Rosemary or Osteomeles

Osteomeles anthyllidifolia

Othello Basil

Ocimum basilicum 'Othello'

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Native Hawaiian Azalea

Rhododendron species (Hawaiian natives)

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Asian Herbs (Mixed Collection)

Various species

Australian Native Shrubs (General)

Various species (Acacia, Banksia, Leptospermum, Callistemon, etc.)

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Australian Tea Tree and Westringia

Leptospermum scoparium and Westringia fruticosa

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