Blue Fortune Hyssop

Blue fortune hyssop is a reliable perennial flower with pretty blue flower spikes.

It has sturdy stems with mint-like leaves. Powder blue flowers grow in mid summer and bloom for over a month. The leaves turn a beautiful yellow in fall.

It looks great in combination with other perennial flowers, shrubs, and ornamental grasses. It also makes an attractive backdrop for shorter plants.

Cluster of plants with lavender-blue flowers and green leaves in a garden setting.
A cluster of blue giant hyssop plants with purple-blue flowers and green leaves.
Close-up of plants with pale purple flowers and green leaves.
Close-up of purple flowers on tall green stems with a blurry background.
A bumblebee on lavender-colored flower spikes.
Close-up of tall, purple-blue flowering spikes against a blurred outdoor background.
Tall plants with light purple flower spikes and green leaves.
A garden with tall, lavender-blue flowers, yellow and white blossoms, and a pergola in the background.

Blue Fortune Hyssop

Blue fortune hyssop is a reliable perennial flower with pretty blue flower spikes.

It has sturdy stems with mint-like leaves. Powder blue flowers grow in mid summer and bloom for over a month. The leaves turn a beautiful yellow in fall.

It looks great in combination with other perennial flowers, shrubs, and ornamental grasses. It also makes an attractive backdrop for shorter plants.

Plant details
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Botanic Name

Agastache 'Blue Fortune'

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Pronunciation

ah-guh-STAH-kee

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Mature Height

2 to 4 ft.

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Mature Spread

18 to 24 in.

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Water usage
Water Usage

One Droplet: Water twice per month or less, once established.

Two Droplets: Water about once per week, once established.

Three Droplets: Water about twice per week, once established.

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Flower Color

light blue

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Bloom time

summer

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Colorado Native

No

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Natural Habitat

hybrid found only in cultivation

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Light Requirements

sun to part shade

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Cold Hardiness

USDA zones 4-10

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Elevation Limit

hardy to 8,000 ft.

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