Nasturtiums are a vibrant and versatile addition to any garden, providing not only a burst of color but also edible flowers and leaves with a peppery taste akin to arugula. This low-maintenance plant is loved by novice and experienced gardeners alike for its ease of care and various benefits. Here are tips and practices to ensure that your nasturtiums grow lush and beautiful while keeping pests at bay.
Optimal Growing Conditions for Nasturtiums
Nasturtiums thrive in sunny spots with well-draining soil. They prefer a location that receives at least 6 hours of sunlight daily, although they can tolerate partial shade, often with the added benefit of a longer blooming period in hot climates. When it comes to soil, nasturtiums are not fussy and can tolerate poor soils, though they flourish in a well-drained soil with a neutral to slightly acidic pH.
Watering Your Nasturtiums
Regular watering is key to keeping nasturtiums healthy, especially during dry spells. Aim to keep the soil moist but not soggy. Overwatering can lead to root rot, so it’s important to let the soil dry out slightly between watering sessions. Drip irrigation or a soaker hose can assist in providing a steady supply of moisture directly to the roots without soaking the foliage, which can help prevent fungal diseases.
The Role of Fertilization
Interestingly, nasturtiums do not require a lot of fertilizer. In fact, too much nutrition can spur excessive foliage growth at the expense of flowers. If you do choose to fertilize, do so sparingly, preferably with a low-nitrogen, balanced fertilizer. A single application at the beginning of the growing season is often sufficient for these unfussy plants.
Pest Control for Healthy Nasturtiums
Despite nasturtiums being used as a companion plant to deter garden pests, they can still be affected by aphids and whiteflies. Keep an eye out for these pests and treat infestations promptly. Use a strong blast of water from a hose to knock off aphids, or introduce beneficial insects like ladybugs to your garden, which feed on these pests. Physical barriers such as floating row covers can also prevent infestations without the use of chemicals.
Pruning and Deadheading for Vigorous Growth
Pruning is not strictly necessary for nasturtiums, but it can help maintain a bushier appearance and encourage more blooms. Regularly snip off faded or dead flowers (deadheading) to promote new blooms. If plants become leggy, cutting them back can invigorate them. Always use clean, sharp scissors or pruning shears to minimize damage to the plant.
Harvesting Nasturtiums
Nasturtium leaves and flowers can be harvested for culinary uses throughout the season. Pick leaves when they’re young and tender for a milder flavor. Flowers are best picked in the morning when their taste is most potent. Always thoroughly rinse the leaves and flowers before adding them to your dishes.
Growing Nasturtiums in Pots
Gardeners with limited space can easily grow nasturtiums in containers. Choose a pot with ample drainage holes and fill it with a quality potting mix. Container-grown nasturtiums will require more frequent watering than those in the ground, so keep a close watch on soil moisture levels.
Promoting Beneficial Insects with Nasturtiums
Nasturtiums are excellent at attracting pollinators like bees and butterflies to your garden, which are vital for a healthy ecosystem. Their presence in the garden supports the overall health of your other plants as well.
Utilizing Nasturtiums as Companion Plants
In addition to their eye-catching beauty and edibility, nasturtiums serve as a fantastic companion plant. Their strong scent can mask the odors of more vulnerable plants, deterring pests. They are often planted alongside vegetables like tomatoes, cucumbers, and brassicas as a form of natural pest control.
Getting Creative with Nasturtiums
Outside of the realm of pest control and garden aesthetics, nasturtiums can be used in salads, as a garnish, or infused in vinegar for a peppery zest. Their seeds can even be pickled and used as a substitute for capers. With so many uses, it’s no surprise that these easy-to-grow blooms are a favorite among gardeners and chefs alike.
Conclusion
Nasturtiums are more than just a pretty face in the garden; they are hardy, multifunctional plants that can enhance both your garden’s health and your dining table. Whether you are looking to attract pollinators, experiment with companion planting, or simply enjoy their bright colors and zesty flavors, nasturtiums are a wonderful choice. With the right care and conditions, your nasturtiums will thrive and continue to provide beauty and function throughout the growing season.
