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How to Grow ‘Mona Lavender’ for Color That Lasts Into Fall

How to Grow ‘Mona Lavender’ for Color That Lasts Into Fall

If you’re looking for a plant that offers long-lasting color, low maintenance, and unique foliage, look no further than Mona Lavender. Unlike true lavender, this striking beauty isn’t grown for fragrance—it’s loved for its vivid purple blooms and deep green, velvety leaves with rich purple undersides.

In this guide, you’ll learn exactly how to grow and care for Mona Lavender, from choosing the right spot to ensuring a steady bloom well into fall. Whether planted in containers or borders, this standout perennial brings vibrancy and texture to any garden—even when most summer flowers start to fade.

Because with Mona Lavender, fall doesn’t mean fading color—it means showing off.

Choosing the Right Spot

Choosing the Right Spot
© Monrovia

Finding the perfect location is the first step in ensuring your Mona Lavender thrives. Look for a spot that receives morning sun and afternoon shade, as this balance encourages vigorous growth and abundant blooms. Avoid areas with harsh, direct sunlight, as this can scorch the delicate foliage. Consider planting under the canopy of taller trees or next to a shaded wall. This plant appreciates a warm climate but can tolerate cooler temperatures with proper placement. Maintaining this environment is key to enjoying its beautiful display.

Soil Preparation

Soil Preparation
© Plant Growers Australia

Preparing the soil is critical for the health and vitality of your Mona Lavender. Start by choosing soil that is rich in organic matter and ensures good drainage. Clay-heavy soils can be improved by adding compost or well-rotted manure, which boosts nutrients and enhances texture. Aim for a pH level between 6.0 and 7.0 for optimal growth. Overly acidic or alkaline soils can hinder the plant’s ability to absorb essential nutrients. With the right soil preparation, your Mona Lavender will flourish, showcasing vibrant colors and healthy foliage.

Watering Techniques

Watering Techniques
© The Spruce

Watering Mona Lavender requires a delicate balance to avoid root rot yet ensure adequate moisture. It’s best to water deeply but infrequently, allowing the soil to dry out slightly between sessions. In warmer months, this might mean watering once or twice a week. Use a watering can or hose with a gentle spray, focusing on the base of the plant. During cooler seasons, reduce the frequency but monitor for any signs of wilting. Proper watering ensures your plant remains healthy and continues to bloom beautifully.

Fertilization

Fertilization
© Tropical Plants of Florida

Providing your Mona Lavender with the right nutrients promotes lush growth and vibrant flowers. Use a balanced, slow-release fertilizer applied at the beginning of the growing season. This gives the plant a steady supply of nutrients over time. Liquid fertilizers can also be used every 4-6 weeks during active growth periods. Be mindful not to over-fertilize, as this can lead to lush foliage but fewer flowers. By feeding your plant appropriately, it will reward you with stunning blooms.

Pest Management

Pest Management
© Flora

Protecting Mona Lavender from common pests such as aphids and spider mites is essential for maintaining its health. Regularly inspect the undersides of leaves for any signs of infestation, and consider using insecticidal soap or neem oil as natural deterrents. Companion planting with pest-repelling herbs can also provide an added layer of defense. Encouraging beneficial insects like ladybugs will help keep pest populations in check. Vigilant pest management ensures your plant remains robust and flowering throughout the season.

Pruning Practices

Pruning Practices
© Greg

Pruning is vital to maintaining the shape and encouraging further blooming of Mona Lavender. Trim back any leggy or dead stems to promote a fuller appearance. Early spring is the perfect time for a more significant cutback, as it spurs new growth. During the blooming season, regularly deadhead spent flowers to encourage continuous flowering. This simple practice not only keeps your plant looking tidy but also enhances its flowering potential, ensuring a prolonged display of color.

Overwintering Tips

Overwintering Tips
© Garden Drum

As temperatures drop, bringing Mona Lavender indoors can help it survive through winter. Choose a bright spot by a window where it can continue to receive indirect sunlight. Reduce watering, as the plant’s growth slows down during this period. A cool, draft-free environment is ideal. Ensuring the plant is free from pests before moving it inside prevents infestations. With proper winter care, your Mona Lavender will be ready to return to the garden, bursting with color when spring arrives.