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When to Plant Hyssop in Mississippi

Hyssop is a semi-evergreen perennial herb with intense blue flower spikes that attract bees and butterflies. It has a minty, slightly bitter flavor used in liqueurs and teas.

Mississippi spans USDA hardiness zones 7b, 8a, 8b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Hyssop planting dates based on your local frost dates.

Hyssop Planting Calendar for Mississippi

Zone 7b ~235 day growing season · Full guide →

Last frost: March 18 · First frost: November 8 · 235 day season

Activity When Date Range
Transplant Outdoors March 25 Mar 25 – Apr 8
Harvest June 3 Jun 3 – Aug 5
Zone 8a ~255 day growing season · Full guide →

Last frost: March 8 · First frost: November 18 · 255 day season

Activity When Date Range
Transplant Outdoors March 15 Mar 15 – Mar 29
Harvest May 24 May 24 – Jul 26
Zone 8b ~276 day growing season · Full guide →

Last frost: February 25 · First frost: November 28 · 276 day season

Activity When Date Range
Transplant Outdoors March 4 Mar 4 – Mar 18
Harvest May 13 May 13 – Jul 15

Growing Tips for Mississippi

Start seeds indoors or direct sow in spring. Prune back in early spring to encourage bushy growth. Hyssop is drought-tolerant once established and thrives in poor soil.

Frequently Asked Questions

When should I plant Hyssop in Mississippi?

Planting dates for Hyssop in Mississippi depend on your USDA zone. Mississippi spans zones 7b, 8a, 8b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Mississippi for planting?

Mississippi contains USDA hardiness zones 7b, 8a, 8b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.