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When to Plant Hyssop in Hyde County, NC

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.

Hyde County, North Carolina is in USDA Zone 8a. The average last spring frost is March 22 and the first fall frost is November 16, giving you a growing season of approximately 239 days.

At an elevation of 638 feet, Hyde County receives approximately 49.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 95ยฐF, so Hyssop may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Hyssop, but amend with compost to improve drainage and prevent root rot.

Hyde County, NC (Zone 8a) Long season
239 days
Last Spring Frost March 22
239 growing days
First Fall Frost November 16

Hyde County Soil Profile

Soil Type

Clay Loam

Soil pH

5.8-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (98 days to spare)
Transplant: Mar 21 🍅 Harvest: May 30 – Aug 1
Recommended (50%) ✓ Fits season (99 days to spare)
Transplant: Mar 29 🍅 Harvest: Jun 7 – Aug 9
Safe Start (90%) ✓ Fits season (110 days to spare)
Transplant: Apr 15 🍅 Harvest: Jun 24 – Aug 26

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Hyssop needs ~1,700 GDD — county provides 5,078 GDD Excellent fit

Hyssop Planting Timeline โ€” Hyde County, NC

Hyssop Planting Calendar

Activity When Date Range
Transplant Outdoors March 29 Mar 29 โ€“ Apr 12
Harvest June 7 Jun 7 โ€“ Aug 9

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Transplant Outdoors
April Transplant Outdoors
May โ€”
June Harvest
July Harvest
August Harvest
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

70โ€“90 days

Soil pH

6 โ€“ 8

USDA Zone

Zone 8a

Growing Season

239 days

Growing Tips for Hyde County

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.

Companion Planting

Good Companions

Avoid Planting Near

  • Radish

Level Up Your Garden

Frequently Asked Questions

When should I plant Hyssop in Hyde County, NC?

Hyde County is in Zone 8a with an average last frost of March 22. Plan your Hyssop planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hyde County, NC?

Hyde County, North Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 22 and first fall frost is November 16.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hyde County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Hyde County, NC. Local conditions may vary. Last updated: April 2026.