The Beauty of Yellow Agastache

Are you a fan of brightly colored flowers that add vibrancy and cheerfulness to your garden? If so, then you'll love yellow agastache. This stunning plant boasts bold, sunny-yellow blooms that are sure to brighten up any outdoor space. In this blog post, we'll explore the beauty of yellow agastache, including its characteristics, growing conditions, and some tips for getting the most out of this wonderful plant.

Characteristics of Yellow Agastache

Yellow agastache, also known as yellow hyssop, is a perennial flowering plant that belongs to the mint family. It typically grows to a height of 2-3 feet and has narrow, lance-shaped leaves that are green in color. The most distinctive feature of this plant is its vibrant yellow flowers, which bloom on spikes from mid-summer to early fall. These flowers are a magnet for pollinators, making it a great choice for gardeners who want to attract bees, butterflies, and other beneficial insects to their yard.

Varieties of Yellow Agastache

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

• Agastache 'Golden Jubilee': This variety has bright, lemon-yellow flowers and aromatic foliage that smells like licorice.
• Agastache 'Desert Sunrise': This variety has pale yellow flowers and silvery-green foliage that adds a touch of elegance to any garden.
• Agastache 'Yellow Fortune': This variety has bright yellow flowers and a compact, bushy habit that makes it perfect for container gardens.

Growing Conditions for Yellow Agastache

Yellow agastache is a hardy plant that can thrive in a wide range of growing conditions. Here are some tips for growing this beautiful plant:

Soil Requirements

Yellow agastache prefers well-draining soil that is rich in organic matter. It can tolerate slightly acidic to slightly alkaline soil, with a pH range of 6.0-7.5.

Light Requirements

Yellow agastache requires full sun to partial shade to thrive. It can tolerate some shade, but too much shade can lead to leggy growth and reduced flowering.

Watering Requirements

Yellow agastache is drought-tolerant once established, but it still needs regular watering during the first year after planting. Water deeply once or twice a week, depending on the weather and soil conditions.

Fertilizer Requirements

Yellow agastache doesn't require a lot of fertilizer, but you can give it a boost with a slow-release granular fertilizer in the spring.

Care and Maintenance of Yellow Agastache

Here are some tips for caring for your yellow agastache plant:

Pruning

To promote bushy growth and more flowers, pinch back the tips of the stems when the plant is about 6 inches tall. You can also deadhead spent blooms throughout the summer to encourage more flowering.

Dividing

Yellow agastache can become crowded over time, so it's a good idea to divide the plant every 3-4 years to keep it healthy and vigorous. Divide the plant in the spring or fall, and replant the divisions in well-draining soil.

Pests and Diseases

Yellow agastache is generally free of pests and diseases, but it can be susceptible to root rot if the soil is too wet. To prevent this, make sure the soil is well-draining and avoid overwatering.

Uses for Yellow Agastache

Yellow agastache is a versatile plant that can be used in a variety of ways in the garden. Here are some ideas:

Border Plant

Plant yellow agastache along borders or pathways to add a splash of color and attract beneficial insects to your yard.

Pollinator Garden

Yellow agastache is a favorite of bees, butterflies, and hummingbirds, making it a great choice for pollinator gardens.

Cut Flower

Yellow agastache makes a lovely cut flower and can be used in bouquets and floral arrangements.

Container Plant

Yellow agastache's compact habit makes it an excellent choice for container gardens. Pair it with other sun-loving plants, such as petunias and marigolds, for a colorful display.

FAQs about Yellow Agastache

Q: Is yellow agastache a good plant for beginners?

A: Yes, yellow agastache is a relatively easy plant to grow and care for, making it a great choice for beginner gardeners.

Q: How often should I water my yellow agastache plant?

A: Water deeply once or twice a week, depending on the weather and soil conditions. Once established, yellow agastache is drought-tolerant and doesn't require as much watering.

Q: Can I grow yellow agastache in a container?

A: Yes, yellow agastache's compact habit makes it an excellent choice for container gardens. Just make sure the container has good drainage and is large enough to accommodate the plant's root system.

Q: Do I need to fertilize my yellow agastache plant?

A: Yellow agastache doesn't require a lot of fertilizer, but you can give it a boost with a slow-release granular fertilizer in the spring.

Q: How do I propagate yellow agastache?

A: Yellow agastache can be propagated by division in the spring or fall. Simply dig up the plant, separate the root ball into smaller sections, and replant them in well-draining soil.


Yellow agastache is a beautiful and versatile plant that can add a sunny splash of color to any garden. With its hardy nature and attractive blooms, it's no wonder why this plant is a favorite of gardeners and pollinators alike. By following the tips and guidelines in this blog post, you can enjoy the beauty of yellow agastache in your own outdoor space.