How to Grow Nasturtiums: A Beginner's Guide

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As a beginner gardener, you may have come across nasturtiums in your local nursery or grocery store, but are unsure about how to grow them. Nasturtiums are a unique and delicious addition to any garden, and with the right guidance, you can successfully cultivate them in your own backyard. In this post, we'll explore the basics of growing nasturtiums, including their requirements, care, and benefits.

What are Nasturtiums?

Nasturtiums (Tropaeolum majus) are an annual flower that belongs to the Tropaeolaceae family. They are native to South America and are characterized by their bright, colorful blooms and delicate, edible leaves. Nasturtiums are also known for their ability to repel pests and attract beneficial insects, making them a popular choice for organic gardeners.

Choosing the Right Variety

There are several varieties of nasturtiums to choose from, each with its own unique characteristics. Some popular varieties include:

• 'Empress of India' - A popular variety known for its bright orange flowers and edible leaves.
• 'Jewel of Africa' - A variety with deep red flowers and dark green leaves.
• 'Red Emperor' - A variety with bright red flowers and edible leaves.

Planting Nasturtiums

Choosing the Right Location

Nasturtiums prefer full sun to partial shade, so choose a location that receives at least 4-6 hours of direct sunlight per day. They also prefer well-drained soil and can tolerate a range of soil types.

Sowing Seeds

Nasturtium seeds can be sown directly in the ground in the spring or fall, or started indoors 4-6 weeks before the last frost date. Sow seeds 1/4 inch deep and 1-2 inches apart. Cover the seeds with a thin layer of soil and keep the soil consistently moist during the germination period.

transplanting

Nasturtiums can be transplanted to larger containers or directly into the ground once the seedlings have 2-3 sets of leaves. Harden off the seedlings by gradually exposing them to outdoor conditions over the course of 7-10 days.

Caring for Nasturtiums

Watering

Nasturtiums require consistent moisture, but make sure not to overwater. The soil should be kept moist but not waterlogged. Reduce watering during the winter months when the plant is dormant.

Fertilization

Nasturtiums are low maintenance when it comes to fertilization. Feed the plants with a balanced fertilizer once a month during the growing season. You can also use compost tea as a natural fertilizer.

Pest and Disease Management

Nasturtiums are susceptible to pests like aphids, whiteflies, and spider mites. Keep an eye out for these pests and treat the plants with neem oil or insecticidal soap. Regularly inspect the plants for signs of disease like yellowing leaves or powdery mildew. Treat the plants with a fungicide if necessary.

Harvesting Nasturtiums

Nasturtiums are edible and can be harvested for their leaves, flowers, and stems. Here's how to harvest nasturtiums:

• Leaves: Harvest the leaves as soon as they are large enough to eat. Cut off the leaves with scissors or pinch them off with your fingers. Use the leaves in salads, as a garnish, or sauté them as a side dish.
• Flowers: Harvest the flowers in the morning, when they are at their peak color and flavor. Cut off the stems with scissors or pinch them off with your fingers. Use the flowers in salads, as a garnish, or make a nasturtium flower tea.
• Stems: Harvest the stems for use as a garnish or in salads. Cut off the stems with scissors or pinch them off with your fingers.

Benefits of Growing Nasturtiums

Nasturtiums offer several benefits to gardeners, including:

• Edible Flowers: Nasturtium flowers are edible and can be used in a variety of dishes, from salads to desserts.
• Pest Control: Nasturtiums repel pests like aphids, whiteflies, and spider mites, making them a great addition to organic gardens.
• Attracting Beneficial Insects: Nasturtiums attract beneficial insects like bees and butterflies, which can help pollinate other plants in the garden.
• Low Maintenance: Nasturtiums are low maintenance and can thrive in a variety of conditions, making them a great choice for beginners.

Common Problems and Solutions

Yellowing Leaves

• Solution: Overwatering is a common cause of yellowing leaves. Check the soil moisture and adjust the watering schedule accordingly. Prune off any yellow leaves to prevent the spread of disease.
• Causes: Overwatering, underwatering, or a lack of nutrients can cause yellowing leaves.

Pests

• Solution: Use neem oil or insecticidal soap to control pests like aphids, whiteflies, and spider mites.
• Causes: Pests like aphids, whiteflies, and spider mites can cause damage to nasturtium plants.

Diseases

• Solution: Use a fungicide to control diseases like powdery mildew and leaf spot.
• Causes: Overwatering, poor air circulation, and high humidity can cause diseases like powdery mildew and leaf spot.

Conclusion

Growing nasturtiums can be a fun and rewarding experience, especially for beginners. By following the guidelines outlined in this post, you can successfully cultivate nasturtiums in your own backyard. Remember to choose the right variety, plant the seeds correctly, and care for the plants properly. With a little patience and attention, you can enjoy the benefits of growing nasturtiums, including edible flowers, pest control, and low maintenance.