Sawtooth candyleaf (Stevia serrata)

Also known as: Sweet Leaf, Sugar Leaf

Sawtooth candyleaf (Stevia rebaudiana) is a perennial herb notable for its serrated leaves. It flourishes in well-drained, loamy soil with a slightly acidic to neutral pH (6.5 to 7.5) and prefers full sun, though it can handle partial shade. Ideal growing temperatures range from 60-85°F (15-29°C), and it requires moderate watering, avoiding waterlogged conditions.

This plant is widely favored for its leaves, which contain steviol glycosides, natural sweeteners that are significantly sweeter than sugar yet calorie-free. Its ease of cultivation, compact growth, and ability to attract pollinators with its delicate white flowers add to its appeal for both garden enthusiasts and agricultural purposes.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Sawtooth candyleaf

Lifespan

Perennial

Plant Type

Herb

Plant Height

30-60 cm

Spread

20-40 cm

Leaf Color

Green

Flower Size

1-2 mm

Flower Color

White

Images of Sawtooth candyleaf

Quickly Identify Sawtooth candyleaf

Identify Stevia serrata by its serrated leaves and small, white, tubular flowers. The leaves have a distinct sweet taste, which is a key identifying feature.

Scientific Classification of Sawtooth candyleaf

Phylum

Vascular plants

Class

Dicotyledons

Order

Asterales

Family

Daisy

Genus

Candyleaf

Species

Sawtooth candyleaf

Planting and Growing of Sawtooth candyleaf

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

6-10 hours

Ideal Temperature

68-77℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Sawtooth candyleaf?

When watering Stevia serrata, aim to thoroughly soak the soil until water drains out from the bottom. The principle is to ensure that moisture reaches the deeper roots without leaving the soil waterlogged. Always let the top inch of soil dry out before watering again to prevent root rot.

What are the symptoms of an underwatered Sawtooth candyleaf? ›

What should I do if my Sawtooth candyleaf is not getting enough water? ›

What are the symptoms of an overwatered Sawtooth candyleaf? ›

How to save an overwatered Sawtooth candyleaf? ›

What Are the Sunlight Requirements for Sawtooth candyleaf?

Sunlight Requirements: Partial sun, Full sun

Duration of light: 6-8 hours daily

Stevia serrata does well in partial to full sunlight, benefiting from morning sun with some afternoon shade. This balance encourages robust growth and sweet leaves without risking sunburn.

Solution for Ideal Lighting ›

Measures for Ideal Lighting ›

Benefits of Ideal Lighting ›

What Is the Ideal Temperature Range for Sawtooth candyleaf?

Ideal Temperature: 68 ~ 77℉

The ideal temperature range for growing Stevia serrata is between 68°F to 77°F. This range provides an optimal balance that supports healthy growth and sugar production in the plant. Within this temperature window, Stevia serrata can efficiently synthesize nutrients, ensuring robust growth and a high output of the sweet compounds it is known for.

What Soil is Best for Sawtooth candyleaf?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Stevia serrata thrives in nutrient-rich soils that provide essential minerals for optimal growth. These nutrients support healthy leaf development, which is crucial for the plant's sweetening compounds. Well-draining soil is vital to prevent waterlogging that can lead to root rot. By allowing excess water to escape, it ensures roots stay healthy and efficient in nutrient uptake. Incorporating organic matter into the soil enhances water retention and soil structure, offering Stevia serrata a balanced environment that supports strong root systems and sustained growth.

How to Fertilize Sawtooth candyleaf?

Fertilizer type: Balanced

Stevia serrata typically prefers a light application of fertilizer to avoid nutrient burn. It's advisable to use about one teaspoon of liquid fertilizer diluted in one gallon of water each time. When using granular fertilizers, follow the package instructions but generally use only half of the recommended amount for mature plants, approximately one tablespoon per plant, to ensure gentle nutrient absorption.

How to Prune Sawtooth candyleaf?

Pruning Time: Spring, Summer

Start by gathering sharp, clean pruning shears to make smooth cuts. Choose a sunny, dry day in the early morning or late afternoon in spring or summer for pruning to prevent plant stress. Focus on cutting back any overgrown, leggy stems. Trim just above a node or leaf cluster to stimulate branching and a bushier form, ensuring a neat and balanced look. Trim the top few inches of the plant to maintain a rounded shape. This promotes a uniform height and full-bodied appearance that enhances the plant's ornamental and productive qualities. Pinch off the tips of young shoots regularly to stimulate the growth of lateral buds. This technique encourages the plant to fill out more densely as it grows. More About Pruning Techniques→

How to Propagate Sawtooth candyleaf plant?

Propagate Time: Spring, Early summer

To propagate via seeds, begin by soaking the seeds in water for 24 hours to enhance germination rates. After soaking, plant them in seed trays filled with well-draining soil.

Select healthy, non-flowering Stevia serrata stems for cuttings. Use sharp pruners to cut four to six-inch sections and remove leaves from the lower half of the cutting.

Dip the cut end of the cuttings into rooting hormone to encourage root development. Plant the cuttings in a well-draining potting mix, ensuring they are deep enough for support.

More About Propagating Techniques→

How to Repot Sawtooth candyleaf plant?

Repotting frequency: Every two years

Stevia serrata displays its need for repotting through signs like reduced growth and yellowing leaves during peak growing periods. Additionally, if roots appear from the drainage holes, it's a signal to consider repotting. Generally, early spring or summer, when the plant is actively growing, is the ideal time for this task.

Select a pot slightly larger than the current one, with good drainage. Material-wise, opt for porous options like terracotta that allow breathability. A pot with adequate drainage ensures the Stevia's roots are not prone to rot and provides a stable foundation for growth.

Choose well-drained, loamy soil, rich in organic matter. Such soil offers excellent aeration and holds enough moisture without becoming waterlogged. This mimics the plant's natural habitat and helps prevent common issues like root rot, promoting healthy growth.