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Stevia

Stevia rebaudiana

Also listed as Eupatorium rebaudianum

Also known as Sweetleaf, Candyleaf, Sweet-leaf-of-paraguay

herbaceous☀️ full sun💧💧 moderate water❄ Hardy: Zone 10a – Zone 11b

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Stevia is a tropical perennial shrub cultivated for its intensely sweet leaves, which contain steviol glycosides used as a natural zero-calorie sweetener. It thrives in warm climates and requires consistent moisture and good drainage for optimal growth.

Why grow it

Stevia rebaudiana offers a perennial alternative to annual sweetener crops, with leaves that can be harvested multiple times per season once established. Unlike sugar cane or sugar beets, stevia requires no processing beyond drying to yield a usable sweetener, making it suitable for small-scale or home cultivation. It occupies less space than most commercial sweetener sources while producing a non-caloric product, though the intensity of its sweetness means relatively small leaf quantities satisfy typical culinary needs.

Watch out for

Stevia's flavor profile includes a slight licorice or bitter aftertaste that some palates find objectionable, which becomes apparent only through direct tasting rather than from visual inspection. In cooler climates, the plant often needs season extension or indoor cultivation to maintain productivity, and transplanting can stress young plants if root systems are disturbed. Leaf quality and sweetness concentration vary noticeably with growing conditions and harvest timing, so consistent results require attention to soil fertility and consistent moisture management.

Overview

Form
Upright
Growth Rate
moderate
Size
1.5–3′ tall × 1–2′ wide
Dormancy
evergreen
Family
Asteraceae
EdibleMedicinal

Native Range

Paraguay and Brazil

Seasonality

Bloom Season

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

Harvest Season

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

Edible Parts

leaf

Season of Interest

SummerFall

Notable Cultivars

Stevia rebaudiana 'Reb A' is the most commonly cultivated variety, selected for high rebaudioside A content and superior sweetness. Other cultivars like 'Stevia Morita' are also grown commercially for their improved leaf quality and yield.

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Companion Planting

Plants well with