Plant Care Fragrant Giant Hyssop

Fragrant Giant Hyssop

Also known as

Anise-Hyssop, Anise-Hyssop, Blue giant hyssop, Agastache anethiodora, Anise hyssop, Fragrant giant hyssop and Lavender giant hyssop


Agastache foeniculum

How to care for Fragrant Giant Hyssop


How often to water your Fragrant Giant Hyssop

Water needs for Fragrant Giant Hyssop
0.5 cups
every 9

Fragrant Giant Hyssop needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Fragrant Giant Hyssop

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Anise-Hyssop in your home

Light needs and placement for plant Fragrant Giant Hyssop: 1ft from a window
1ft or less from
a window

Fragrant Giant Hyssop love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Fragrant Giant Hyssop does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Fragrant Giant Hyssop in your home 🏡.


How to fertilize Fragrant Giant Hyssop

Nutrient, fertilizer, and repotting needs for Fragrant Giant Hyssop: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Fragrant Giant Hyssop after it doubles in size or once a year—whichever comes first.

Difficulty Level

Fragrant Giant Hyssop is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Fragrant Giant Hyssop

Fragrant Giant Hyssop

Fragrant Giant Hyssop

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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