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Tree Tobacco

Nicotiana glauca

Also listed as Nicotiana arborea, Nicotidendron glauca

Also known as Tobacco Tree, Wild Tobacco, Tobacco Plant

shrub☀️ full sun💧 low water❄ Hardy: Zone 7a – Zone 11b

Climate Match for your location

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Tree tobacco is a fast-growing shrub with large, bluish-green leaves and fragrant greenish-yellow tubular flowers that attract hummingbirds and butterflies. It thrives in full sun and dry conditions, making it ideal for water-wise landscapes.

Why grow it

Tree tobacco grows rapidly in arid and semi-arid climates where many ornamental shrubs struggle, offering reliable structure and nectar-bearing flowers for pollinator gardens. Unlike slower-growing native alternatives in similar ecological niches, it reaches substantial size within a few seasons and tolerates poor, compacted soils typical of disturbed sites. Its tolerance for drought and heat makes it useful for water-limited landscapes where supplemental irrigation is impractical.

Watch out for

In mild climates, self-seeding can be prolific, so deadheading spent flowers or managing volunteer seedlings may be necessary to prevent unintended spread. The plant performs best with minimal fertilizer in nutrient-poor soils, as excess nitrogen can produce rank, weak growth prone to pest damage. Pruning becomes necessary after a few years to maintain shape, as older stems can become woody and sparse at the base.

Overview

Form
Upright
Growth Rate
fast
Size
6–12′ tall × 3–6′ wide
Dormancy
evergreen
Family
Solanaceae
Dynamic accumulator

Native Range

South America (Argentina, Bolivia)

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

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Companion Planting

Plants well with