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🌿 Herb medium

Growing Hyssop in Austin

🇺🇸 Zone 7 Planting Guide · Humid subtropical climate

USDA Zone 7 280 frost-free days 60-90 days to harvest

Quick Answer: Growing Hyssop in Austin

Yes, you can grow Hyssop in Austin, US! Plant during Oct, Nov for best results. Austin is in USDA Zone 7 with a Humid subtropical climate, offering 280 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 Austin + Hyssop

Austin's climate requires careful timing. Summer highs (36°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
Austin range 3°C to 36°C

Austin Climate Data

USDA Zone
7
Frost-Free
280days
Winter Low
3°C
Summer High
36°C
Rainfall
870mm/yr
Climate
Cfa
Humid subtropical

Hyssop Planting Calendar for Austin

Green months show the best time to plant Hyssop in Austin

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 Austin

Austin, US is in USDA Hardiness Zone 7 with a Humid subtropical climate (Köppen Cfa). With winter lows of 3°C and summer highs of 36°C, the growing season spans approximately 280 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 Austin, the best months to plant Hyssop are October, November. 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.

With 870mm of annual rainfall, Austin provides moderate natural moisture. This should be adequate for Hyssop's water needs.

Other Plants That Grow in Austin

More plants you can grow alongside Hyssop in Austin

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Frequently Asked Questions

Can I grow hyssop in Austin?

Yes! Hyssop can be successfully grown in Austin, US. Austin is in USDA Hardiness Zone 7 with a Humid subtropical climate. The difficulty level for growing Hyssop here is rated "medium". The best months to plant are October, November.

When should I plant hyssop in Austin?

In Austin, the recommended planting months for Hyssop are October, November. Austin has 280 frost-free days per year, with winter lows of 3°C and summer highs of 36°C. Hyssop is frost tolerant, giving you more flexibility with planting dates.

How long does hyssop take to grow in Austin?

Hyssop typically takes 60-90 days from planting to harvest. In Austin's Humid subtropical climate with 280 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 Austin?

Hyssop can potentially be grown indoors in Austin 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 Oct, Nov outdoor planting window. Use containers with good drainage and low watering.

What month do I plant hyssop in Austin?

Plant Hyssop in Austin during October, November. These are the optimal months based on Austin's USDA Zone 7 climate, 280 frost-free days, and temperature range of 3°C to 36°C.

Is hyssop hard to grow in Austin?

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

What grows well with hyssop in Austin?

In Austin, 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 Austin's Zone 7 climate.

Does hyssop need full sun in Austin?

Hyssop requires full sun. In Austin, provide at least 6 hours of direct sunlight daily. During peak summer heat, some afternoon shade can help prevent heat stress.

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

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