Stevia for Florida gardens

Stevia, with its sweet-tasting leaves and green foliage, brings a unique and healthful touch to any garden. This perennial herb is known for its natural sweetness, making it a popular alternative to sugar in various culinary applications. The small, green leaves and delicate white flowers make stevia an attractive and functional addition to garden beds, containers, or herb gardens.

In Florida planting zone 9, stevia thrives particularly well during the warm months. The plants grow into bushy forms, reaching up to two feet in height, and produce leaves that can be harvested continuously. Watching these vibrant plants flourish and provide a steady supply of sweet leaves is a rewarding experience, showcasing the beauty and practicality of your garden.

For those new to gardening, stevia is an excellent choice. It is relatively easy to grow and provides a natural sweetener that can be used fresh or dried. Whether you enjoy it in teas, baked goods, or as a sugar substitute in various recipes, stevia brings a healthful and sweet element to your meals, making your gardening endeavors both enjoyable and beneficial.

I would give stevia a 5 out of 5 on how easy it is to grow. It is very easy to cultivate and manage, making it perfect for beginners and experienced gardeners alike.

Stevia Varieties

Stevia

Heirloom

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Description: Stevia is an heirloom herb known for its intensely sweet leaves, which are often used as a natural, calorie-free sweetener. The plant has small, green leaves and white flowers.

Plant Type: Perennial

Growing Season: Spring to Fall

USDA Planting Zone: 9-11

Special Notes: Stevia prefers full sun and well-drained soil. The leaves can be harvested and dried for use as a sweetener in various recipes.

Stevia Growing Guide for Zone 9

Planting Time: In Florida, plant stevia in early spring or fall. Stevia thrives in warm weather and can grow year-round in mild climates.

Soil: Stevia prefers well-draining soil with a pH between 6.7 and 7.2. Adding compost or well-rotted manure to the soil can improve fertility and structure.

Sun: Stevia grows best in full sun, requiring at least 6-8 hours of direct sunlight daily. In very hot climates, some afternoon shade can help prevent the leaves from scorching.

Watering: Keep the soil consistently moist but not waterlogged. Water regularly, especially during dry spells, to keep the soil evenly moist.

Spacing: Plant stevia seeds or transplants 18-24 inches apart. Stevia can spread, so proper spacing ensures adequate air circulation and room for growth.

Fertilization:
N-P-K Ratio: Stevia benefits from a balanced fertilizer with a slightly higher nitrogen content to support lush, leafy growth, such as 10-10-10 or 20-10-10.

When to Add:

  • Before Planting: Apply the fertilizer to the soil before planting seeds or transplants to promote strong initial growth.

  • Mid-Growing Season: Reapply the fertilizer every 4-6 weeks during the growing season to support continued leafy growth.

Application Tips:

  • Follow the directions on the fertilizer package to avoid over-fertilization.

  • Apply the fertilizer evenly around the base of the plants and water thoroughly to help the nutrients reach the roots.

Additional Tips:

  • Stevia grows best in well-drained soil rich in organic matter, so consider adding compost to improve soil fertility and structure.

  • Mulch around the plants to help retain moisture, suppress weeds, and regulate soil temperature.

  • Ensure that stevia receives consistent moisture to prevent stress and promote tender, flavorful leaves.

Blog post on Natural Fertilizers

Harvesting: Stevia is ready to harvest when the plant reaches about 18 inches in height, typically 60-85 days after planting. For the best flavor, pick the leaves before the plant starts to flower by snipping them off with scissors. Regular harvesting encourages bushier growth. For the best flavor, harvest the leaves in the morning when the essential oils are at their peak. The leaves can be used fresh or dried for later use.

Herb Uses:

Culinary Uses: Stevia leaves are a natural sweetener and can be used as a sugar substitute in beverages, desserts, and baking. Fresh leaves can be added to teas, or dried leaves can be ground into a powder to sweeten various dishes.

Medicinal Uses: Traditionally, stevia has been used for its antidiabetic and antihypertensive properties. It is believed to help regulate blood sugar levels and support cardiovascular health. Stevia is also used as a calorie-free sweetener in various herbal remedies.

By selecting the right stevia varieties and following these growing tips, you can achieve a successful and bountiful stevia harvest in your Florida garden. Stevia is versatile and easy to grow, making it a favorite among home gardeners.

Pests and Diseases that Affect Stevia in Florida:

  • Aphids: Small insects that suck sap from the leaves and stems, causing curling and yellowing.

  • Whiteflies: Tiny insects that can cause yellowing and stunted growth.

Natural Pest Control

  • Root Rot: A fungal disease that occurs in waterlogged soil.

  • Powdery Mildew: A fungal disease that causes a white, powdery coating on the leaves.


Vegetables to Avoid Planting Near Stevia:

None specific: Stevia generally does not have specific companion planting issues but ensure it has enough space and is not overcrowded by other plants.