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Growing Cinnamon in Knoxville

🇺🇸 Zone 5 Planting Guide · Humid subtropical climate

USDA Zone 5 215 frost-free days 730-1095 days to harvest

Quick Answer: Growing Cinnamon in Knoxville

Yes, you can grow Cinnamon in Knoxville, US! Plant during Apr, May, Jun, Jul for best results. Knoxville is in USDA Zone 5 with a Humid subtropical climate, offering 215 frost-free days per year. The difficulty level is hard, and Cinnamon takes 730-1095 days to harvest. Cinnamon needs full sun and regular watering.

Climate Match Analysis

Moderate Match Knoxville + Cinnamon

Knoxville's climate requires careful timing. Winter lows (-2°C) drop below Cinnamon's minimum (15°C), so avoid cold months. Follow the recommended planting months for success.

Cinnamon tolerates 15°C to 38°C
Optimal: 24°C - 32°C
Knoxville range -2°C to 31°C

Knoxville Climate Data

USDA Zone
5
Frost-Free
215days
Winter Low
-2°C
Summer High
31°C
Rainfall
1245mm/yr
Climate
Cfa
Humid subtropical

Cinnamon Planting Calendar for Knoxville

Green months show the best time to plant Cinnamon in Knoxville

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

Cinnamon Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

730-1095

From planting to first harvest

📊

Difficulty

hard

For experienced growers

💡 Growing Tips for Cinnamon

Grow from cuttings. Strip bark from 2-year-old branches. Wait until soil warms to at least 24°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Cinnamon is NOT frost tolerant — wait until after the last frost in Knoxville.

How to Grow Cinnamon in Knoxville

Knoxville, US is in USDA Hardiness Zone 5 with a Humid subtropical climate (Köppen Cfa). With winter lows of -2°C and summer highs of 31°C, the growing season spans approximately 215 frost-free days. Cinnamon requires more experience to grow successfully in this climate.

Cinnamon thrives in temperatures between 24°C and 32°C, requiring full sun and regular watering. In Knoxville, the best months to plant Cinnamon are April, May, June, July. Cinnamon is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 730-1095 days after planting.

Knoxville receives 1245mm of annual rainfall, which provides good natural moisture for Cinnamon. Supplement with additional watering during dry spells.

Other Plants That Grow in Knoxville

More plants you can grow alongside Cinnamon in Knoxville

Keep Exploring

Frequently Asked Questions

Can I grow cinnamon in Knoxville?

Yes! Cinnamon can be successfully grown in Knoxville, US. Knoxville is in USDA Hardiness Zone 5 with a Humid subtropical climate. The difficulty level for growing Cinnamon here is rated "hard". The best months to plant are April, May, June, July.

When should I plant cinnamon in Knoxville?

In Knoxville, the recommended planting months for Cinnamon are April, May, June, July. Knoxville has 215 frost-free days per year, with winter lows of -2°C and summer highs of 31°C. Since Cinnamon is not frost tolerant, make sure to plant after the last frost date.

How long does cinnamon take to grow in Knoxville?

Cinnamon typically takes 730-1095 days from planting to harvest. In Knoxville's Humid subtropical climate with 215 frost-free days, you have plenty of time to grow Cinnamon to maturity. Grow from cuttings. Strip bark from 2-year-old branches. Wait until soil warms to at least 24°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow cinnamon indoors in Knoxville?

Cinnamon can potentially be grown indoors in Knoxville 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 Apr, May, Jun, Jul outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant cinnamon in Knoxville?

Plant Cinnamon in Knoxville during April, May, June, July. These are the optimal months based on Knoxville's USDA Zone 5 climate, 215 frost-free days, and temperature range of -2°C to 31°C.

Is cinnamon hard to grow in Knoxville?

Cinnamon is rated "hard" to grow in Knoxville. This is challenging in this climate. Experienced growers will have the best success with careful attention to temperature and moisture. The climate match for Cinnamon in Knoxville is Moderate.

What grows well with cinnamon in Knoxville?

In Knoxville, you can grow many companion plants alongside Cinnamon. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Knoxville's Zone 5 climate.

Does cinnamon need full sun in Knoxville?

Cinnamon requires full sun. In Knoxville, 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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