Grow stevia in a sunny spot with fertile, well-drained soil, and keep the soil evenly moist without waterlogging it. Stevia rebaudiana is a tender perennial: gardeners in places with freezing winters can grow it in a pot and bring it indoors before frost, or treat it as an annual and replant the following season. Indoors, it may continue growing, but lower light and excess moisture can make winter care challenging.
What stevia needs to grow well
Stevia, also called sweetleaf, is Stevia rebaudiana, a leafy plant grown for its sweet-tasting foliage. It is available as a garden plant and can be grown in a home landscape, according to University of Florida IFAS.
- Light: Choose full sun where possible. Stevia tolerates partial shade, though a bright location is preferable.
- Soil: Use fertile, organically rich soil that drains freely. Sandy, well-drained soil is also suitable.
- Water: Keep the soil moist, but do not let the pot sit in water or keep the roots waterlogged. Poor drainage and overwatering can lead to root problems.
For container growing, use a pot with drainage holes and empty any water that collects in its saucer. That makes it easier to control moisture and move the plant when cold weather approaches.
How to keep a potted stevia through winter
If your winters bring frost, bring the container indoors before the first frost rather than relying on the plant to survive outdoors. UF IFAS lists stevia for USDA hardiness zones 10–11 and recommends moving container plants inside in freezing areas. North Carolina State Extension similarly describes growing it as an annual in North Carolina or bringing it indoors before frost. These are regional recommendations, not a guarantee that every plant will survive winter in every location.
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- A generous pack of 250 seeds, providing endless planting opportunities.
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- A calorie-free, carb-free alternative to processed sugars and artificial sweeteners.
Indoor light and watering
Place the pot in the brightest available window; a south-to-southwest-facing window may provide suitable light. Maryland Extension notes that supplemental grow lighting may be needed if the window does not provide enough. Reduce the risk of overwatering by checking the soil before watering and making sure excess water can drain away. As Maryland Extension’s Home and Garden Information Center put it in a 2023 response, “Stevia tends to like well draining soil and it won’t dry out as much inside.”
What to expect from outdoor overwintering
Stevia can behave differently across climates. Tennessee Gardens reports that it rarely survives Tennessee winters and gives a local estimate of hardiness only to about 15°F. That is a regional observation, not a universal temperature threshold. If you want to keep a particular plant, a movable pot offers more control than leaving it outside.
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- NATURAL SWEET HERB - Grow Stevia rebaudiana, also known as sweetleaf, prized for its naturally sweet leaves used as a healthy sugar alternative in teas, recipes, and homemade sweeteners from your own garden
- CHALLENGING BUT REWARDING - Recommended for experienced growers only; this tender perennial thrives in warm climates (Zones 8–11) or indoors with supplemental heat and light protection from frost
- LOW GERMINATION RATES - Stevia’s natural germination rate is 10–40%; sow indoors 8–10 weeks before last frost at 75°F, barely cover seeds since light aids germination; sprouts in 7–14 days
- HANDLE WITH CARE - Each pack contains 20–24 tiny seeds; once established, Stevia is easy to grow, low-maintenance, heat-tolerant, and thrives even in poor soil; propagate more plants from cuttings
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How to start new plants
North Carolina State Extension lists both seeds and stem cuttings as propagation options. However, an Ask Extension response notes that seed germination can be difficult and recommends starting with seedlings instead. For a home gardener, buying a seedling or taking a cutting from a healthy plant may be more straightforward than depending on seed germination.
To encourage a bushier plant, pinch the growing tips every two to three weeks. If your priority is foliage, pinch off flower buds as they appear; UF IFAS recommends this to support leaf quality.
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- PERENNIAL PLANT FOR YEAR-ROUND HARVESTS: As a perennial herb seeds for planting, our stevia plant will continue to produce broad, sweet deep green leaves year after year. This ensures consistent harvests for all your culinary needs without having to replant each season. Making it the perfect seeds for planting herbs.
- SWEET LEAVES FOR DRINKS & RECIPES: Stevia leaves stands at a height of 12 inches and are 30-40 times sweeter than sugar, making it the ideal herb seeds variety pack as it provides a safe way to add sweetness to beverages, smoothies, and recipes. A great option for those looking to reduce sugar intake while still enjoying flavorful foods and drinks.
- EASY TO GROW AND MAINTAIN: Stevia seeds is simple to grow indoors or outdoors in partial shade. You can start by sowing at a rate of 2-3 seeds per plant with 12 inches of spacing while covering lightly with peat moss under 68-75F. Once planted, it requires minimal maintenance, needing only moderate watering and occasional trimming, making it a perfect low-maintenance herb for your garden.
- VERSATILE FOR CULINARY USE: Our herbs seeds for planting are ideal for various uses. Fresh Stevia leaves can be used to sweeten tea, lemonade, or other beverages. You can also dry and grind the leaves into powder for baking, cooking, or as a sweetener in various culinary creations, offering a great option for reducing sugar for a more flavorful and fulfilling treat whether dried or boiled.
- GREAT FOR HERB GARDENS UNDER USDA ZONES 9-10: Our stevia seeds for planting thrives in weather conditioned areas under USDA Zones 9-10. Making it great herbs seeds for planting indoors and outdoors. Germinating in just 7-14 days using moist, well-drained soil, it’s a fantastic addition to herb gardens, offering a balanced option of sweetener to use.
When and how to harvest stevia leaves
Harvest timing depends partly on the season and the plant’s stage. UF IFAS recommends fall harvest and notes that leaves are sweetest before flowering. North Carolina State Extension places harvest as flowering begins and says stems can be cut about six inches above the ground. A practical approach is to gather mature foliage late in the growing season, before frost, and adjust the timing to your plant’s flowering and local weather rather than treating one calendar date as universal.
- Choose healthy stems with mature leaves.
- Cut stems for a larger harvest, leaving about six inches above the ground if following North Carolina State Extension’s guidance, or pick individual leaves for smaller amounts.
- Use fresh leaves for tea, or dry the harvest for storage.
How to dry and store the leaves
Dry leaves or stems for later use, then store the dried leaves in an airtight container. Illinois Extension describes air drying as an option and also notes that a food dehydrator can be used; a dehydrator is helpful for a larger harvest but is not essential. Keep the storage container sealed and dry so the leaves are ready to crush when needed.
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- Stevia Sweetleaf is an excellent plant to add to your garden to grow as a perennial.
- Perfect for large-scale planting, gifting, or selling fresh Stevia plants and leaves.
- Perfect for outdoor gardens, greenhouses, or indoor container planting.
- Comprehensive planting and care guide for beginners and experts.
What to expect when using homegrown stevia
Dried, crushed leaves can be used to sweeten tea, and fresh leaves can also be used in drinks. Homegrown stevia is less potent than refined white stevia extract, according to Illinois Extension, so leaf powder should not be treated as a measured, one-for-one substitute for commercial extract. Start with a small amount and adjust to taste.
Quick Recap
Best Value
- Seed Count: A generous pack of 200 high-germination seeds, providing endless planting opportunities.
- Versatile Growing Options: Perfect for outdoor gardens, greenhouses, or indoor container planting.
- Health-Conscious Sweetness: A calorie-free, carb-free alternative to processed sugars and artificial sweeteners.
- Sunlight exposure: Full sun
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