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🌿 Herb medium

Growing Hyssop in Tokyo

🇯🇵 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 290 frost-free days 60-90 days to harvest

Quick Answer: Growing Hyssop in Tokyo

Yes, you can grow Hyssop in Tokyo, JP! Plant during Oct, Nov for best results. Tokyo is in USDA Zone 6 with a Humid subtropical climate, offering 290 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 Tokyo + Hyssop

Tokyo's climate requires careful timing. Summer highs (31°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
Tokyo range 1°C to 31°C

Tokyo Climate Data

USDA Zone
6
Frost-Free
290days
Winter Low
1°C
Summer High
31°C
Rainfall
1530mm/yr
Climate
Cfa
Humid subtropical

Hyssop Planting Calendar for Tokyo

Green months show the best time to plant Hyssop in Tokyo

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 Tokyo

Tokyo, JP is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of 1°C and summer highs of 31°C, the growing season spans approximately 290 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 Tokyo, 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.

Tokyo receives 1530mm 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 Tokyo

More plants you can grow alongside Hyssop in Tokyo

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Frequently Asked Questions

Can I grow hyssop in Tokyo?

Yes! Hyssop can be successfully grown in Tokyo, JP. Tokyo 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 October, November.

When should I plant hyssop in Tokyo?

In Tokyo, the recommended planting months for Hyssop are October, November. Tokyo has 290 frost-free days per year, with winter lows of 1°C and summer highs of 31°C. Hyssop is frost tolerant, giving you more flexibility with planting dates.

How long does hyssop take to grow in Tokyo?

Hyssop typically takes 60-90 days from planting to harvest. In Tokyo's Humid subtropical climate with 290 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 Tokyo?

Hyssop can potentially be grown indoors in Tokyo 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 Tokyo?

Plant Hyssop in Tokyo during October, November. These are the optimal months based on Tokyo's USDA Zone 6 climate, 290 frost-free days, and temperature range of 1°C to 31°C.

Is hyssop hard to grow in Tokyo?

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

What grows well with hyssop in Tokyo?

In Tokyo, 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 Tokyo's Zone 6 climate.

Does hyssop need full sun in Tokyo?

Hyssop requires full sun. In Tokyo, 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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