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🌿 Herb medium

Growing Hyssop in Raleigh

🇺🇸 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 225 frost-free days 60-90 days to harvest

Quick Answer: Growing Hyssop in Raleigh

Yes, you can grow Hyssop in Raleigh, US! Plant during Feb, Mar, Apr, Aug, Sep for best results. Raleigh is in USDA Zone 6 with a Humid subtropical climate, offering 225 frost-free days per year. The difficulty level is medium, and Hyssop takes 60-90 days to harvest. Hyssop needs full sun and low watering.

Climate Match Analysis

Moderate Match Raleigh + Hyssop

Raleigh's climate requires careful timing. Summer highs (32°C) exceed Hyssop's maximum (30°C), so plant early or provide shade. Follow the recommended planting months for success.

Hyssop tolerates -15°C to 30°C
Optimal: 12°C - 24°C
Raleigh range -1°C to 32°C

Raleigh Climate Data

USDA Zone
6
Frost-Free
225days
Winter Low
-1°C
Summer High
32°C
Rainfall
1190mm/yr
Climate
Cfa
Humid subtropical

Hyssop Planting Calendar for Raleigh

Green months show the best time to plant Hyssop in Raleigh

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Hyssop Not recommended

Hyssop Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Low

Drought tolerant, water sparingly

📅

Days to Harvest

60-90

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Hyssop

Drought-tolerant once established. Cut back in spring. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Frost tolerance: Hyssop is frost tolerant — you can plant earlier in spring.

How to Grow Hyssop in Raleigh

Raleigh, US is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of -1°C and summer highs of 32°C, the growing season spans approximately 225 frost-free days. Hyssop grows well with some gardening knowledge in this climate.

Hyssop thrives in temperatures between 12°C and 24°C, requiring full sun and low watering. In Raleigh, the best months to plant Hyssop are February, March, April, August, September. Since Hyssop can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 60-90 days after planting.

Raleigh receives 1190mm of annual rainfall, which provides good natural moisture for Hyssop. Be careful not to overwater — the natural rainfall may be sufficient.

Other Plants That Grow in Raleigh

More plants you can grow alongside Hyssop in Raleigh

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Frequently Asked Questions

Can I grow hyssop in Raleigh?

Yes! Hyssop can be successfully grown in Raleigh, US. Raleigh is in USDA Hardiness Zone 6 with a Humid subtropical climate. The difficulty level for growing Hyssop here is rated "medium". The best months to plant are February, March, April, August, September.

When should I plant hyssop in Raleigh?

In Raleigh, the recommended planting months for Hyssop are February, March, April, August, September. Raleigh has 225 frost-free days per year, with winter lows of -1°C and summer highs of 32°C. Hyssop is frost tolerant, giving you more flexibility with planting dates.

How long does hyssop take to grow in Raleigh?

Hyssop typically takes 60-90 days from planting to harvest. In Raleigh's Humid subtropical climate with 225 frost-free days, you have plenty of time to grow Hyssop to maturity. Drought-tolerant once established. Cut back in spring. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Can I grow hyssop indoors in Raleigh?

Hyssop can potentially be grown indoors in Raleigh with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Feb, Mar, Apr, Aug, Sep outdoor planting window. Use containers with good drainage and low watering.

What month do I plant hyssop in Raleigh?

Plant Hyssop in Raleigh during February, March, April, August, September. These are the optimal months based on Raleigh's USDA Zone 6 climate, 225 frost-free days, and temperature range of -1°C to 32°C.

Is hyssop hard to grow in Raleigh?

Hyssop is rated "medium" to grow in Raleigh. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Hyssop in Raleigh is Moderate.

What grows well with hyssop in Raleigh?

In Raleigh, you can grow many companion plants alongside Hyssop. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Raleigh's Zone 6 climate.

Does hyssop need full sun in Raleigh?

Hyssop requires full sun. In Raleigh, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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