Purple Giant Hyssop (Agastache Scrophulariifolia) is a perennial herb in the Lamiaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 3-8. This plant is safe for cats and dogs.

Agastache scrophulariifolia, commonly known as Purple Giant Hyssop, is a robust perennial native to the United States and northern Ontario, known for its tall stature and attractive purple flowers.

Purple Giant Hyssop

Purple Giant Hyssop

Agastache Scrophulariifolia

Agastache scrophulariifolia, commonly known as Purple Giant Hyssop, is a robust perennial native to the United States and northern Ontario, known for its tall stature and attractive purple flowers.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
3-8

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, well-drained
Indoor:No
Outdoor:Yes
Garden Use:pollinator plant, specimen, background plant

Care Calendar

Monthly care tasks for Purple Giant Hyssop

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Purple Giant Hyssop
Purple Giant Hyssop detail

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Taxonomy

Family:Lamiaceae
Genus:Agastache