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

Taxonomy

Agastache foeniculum
Agastache
Lamiaceae
Lamiales

How to care for Fragrant Giant Hyssop

💦 Water

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
9

Does your plant get direct sunlight?

Select the pot size

5"
☀️ Light

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 🏡.

🪴 Nutrients

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.

Browse #BlueGiantHyssop
💡 FAQs
⭐ Difficulty Level

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

How to Grow Anise-Hyssop →

Benefits of Growing Anise-Hyssop →

Common Anise-Hyssop Problems →

Outdoor Care Guide for Anise-Hyssop →


💦 Water Needs

Fragrant Giant Hyssop prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Anise-Hyssop Water Frequency →

Anise-Hyssop Root Rot →


☀️ Sunlight Needs

Fragrant Giant Hyssop requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.

Anise-Hyssop Light Requirements →

Anise-Hyssop Direct Sunlight Needs & Tolerance →


🐶 🐈 👶 Toxicity

Fragrant Giant Hyssop is not known to cause harm to humans or pets. Regardless, if you, a family member, a cat, or dog has ingested any plant material, please consult a doctor or a veterinarian.

Is Anise-Hyssop Edible? →

Anise-Hyssop Toxicity to Cats →

Anise-Hyssop Toxicity to Dogs →

Anise-Hyssop Toxicity to Humans →


🪴 Soil

Fragrant Giant Hyssop does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!

Best Soil Mix for Anise-Hyssop →

Best Pots for Anise-Hyssop →

When and How to Successfully Repot Anise-Hyssop →

What Are Healthy Anise-Hyssop Roots →


💩 Fertilizer

Fragrant Giant Hyssop should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!

How Much and When to Fertilize Anise-Hyssop →


⬆️ ⬇️ Growth Pattern

Fragrant Giant Hyssop grows vertically and new growth will emerge from the top of the plant.

Anise-Hyssop Lifecycle →

Anise-Hyssop Size Guide →

How and When to Prune Anise-Hyssop →


🌦️ Growing Outdoors
🌱 Propagation

Fragrant Giant Hyssop can be propagated by division into new individual plants.

  • Check to see if there is more than one plant. In some cases they may still be beneath the soil surface. If you feel confident, you may remove the soil to check for baby plantlets below!
  • If there are multiple plants growing, unpot the plant and gently tug the plants apart, being careful not to disturb too many of the roots. They may be connected by large root segments which you may need to break to free the plantlet.
  • Pot up the new plant in well-draining soil
  • Repot the parent plant back into its original pot

How to Propagate Anise-Hyssop →


🍂 Yellow Leaves

Yellow leaves aren’t always a reason to panic, and can be a normal part of a plant’s life cycle. Unless brand new leaves are turning yellow or all the leaves change color at once, it’s likely just your plant shedding old leaves.

Overwatering and root rot are the most likely cause of problems in Fragrant Giant Hyssop, since they are sensitive to wet soil. The leaves may also appear to be curling or drooping. Less often, yellow leaves are caused by underwatering, nutrient deficiencies, or pests.

Replace soggy soil with fresh, dry soil and download Greg to make sure your plant never gets overwatered again!


🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.


Care Summary for Fragrant Giant Hyssop

Fragrant Giant Hyssop

Fragrant Giant Hyssop


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

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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