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🥬 Vegetable medium

Growing Taro in St. Louis

🇺🇸 Zone 4 Planting Guide · Humid subtropical climate

USDA Zone 4 210 frost-free days 180-240 days to harvest

Quick Answer: Growing Taro in St. Louis

Yes, you can grow Taro in St. Louis, US! Plant during Apr, May, Jun, Jul for best results. St. Louis is in USDA Zone 4 with a Humid subtropical climate, offering 210 frost-free days per year. The difficulty level is medium, and Taro takes 180-240 days to harvest. Taro needs partial shade ok and frequent watering.

Climate Match Analysis

Moderate Match St. Louis + Taro

St. Louis's climate requires careful timing. Winter lows (-6°C) drop below Taro's minimum (15°C), so avoid cold months. Follow the recommended planting months for success.

Taro tolerates 15°C to 35°C
Optimal: 22°C - 30°C
St. Louis range -6°C to 32°C

St. Louis Climate Data

USDA Zone
4
Frost-Free
210days
Winter Low
-6°C
Summer High
32°C
Rainfall
1016mm/yr
Climate
Cfa
Humid subtropical

Taro Planting Calendar for St. Louis

Green months show the best time to plant Taro in St. Louis

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

Taro Growing Requirements

☀️

Sunlight

Partial Shade OK

2-4 hours direct sunlight

💧

Water

Frequent

Keep soil consistently moist

📅

Days to Harvest

180-240

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Taro

Loves wet conditions -- grow in bog or heavy soil. Corms must be cooked thoroughly. Wait until soil warms to at least 22°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Consistent moisture is critical. Mulch with straw or compost to retain soil moisture and keep roots cool during hot weather.

Frost tolerance: Taro is NOT frost tolerant — wait until after the last frost in St. Louis.

How to Grow Taro in St. Louis

St. Louis, US is in USDA Hardiness Zone 4 with a Humid subtropical climate (Köppen Cfa). With winter lows of -6°C and summer highs of 32°C, the growing season spans approximately 210 frost-free days. Taro grows well with some gardening knowledge in this climate.

Taro thrives in temperatures between 22°C and 30°C, requiring partial shade ok and frequent watering. In St. Louis, the best months to plant Taro are April, May, June, July. Taro is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 180-240 days after planting.

St. Louis receives 1016mm of annual rainfall, which provides good natural moisture for Taro. Monitor soil moisture and water as needed.

Other Plants That Grow in St. Louis

More plants you can grow alongside Taro in St. Louis

Keep Exploring

Frequently Asked Questions

Can I grow taro in St. Louis?

Yes! Taro can be successfully grown in St. Louis, US. St. Louis is in USDA Hardiness Zone 4 with a Humid subtropical climate. The difficulty level for growing Taro here is rated "medium". The best months to plant are April, May, June, July.

When should I plant taro in St. Louis?

In St. Louis, the recommended planting months for Taro are April, May, June, July. St. Louis has 210 frost-free days per year, with winter lows of -6°C and summer highs of 32°C. Since Taro is not frost tolerant, make sure to plant after the last frost date.

How long does taro take to grow in St. Louis?

Taro typically takes 180-240 days from planting to harvest. In St. Louis's Humid subtropical climate with 210 frost-free days, you have plenty of time to grow Taro to maturity. Loves wet conditions -- grow in bog or heavy soil. Corms must be cooked thoroughly. Wait until soil warms to at least 22°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Consistent moisture is critical. Mulch with straw or compost to retain soil moisture and keep roots cool during hot weather.

Can I grow taro indoors in St. Louis?

Taro can potentially be grown indoors in St. Louis with proper conditions. It requires partial shade ok (2-4 hours of indirect light). Indoor growing extends your season beyond the Apr, May, Jun, Jul outdoor planting window. Use containers with good drainage and frequent watering.

What month do I plant taro in St. Louis?

Plant Taro in St. Louis during April, May, June, July. These are the optimal months based on St. Louis's USDA Zone 4 climate, 210 frost-free days, and temperature range of -6°C to 32°C.

Is taro hard to grow in St. Louis?

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

What grows well with taro in St. Louis?

In St. Louis, you can grow many companion plants alongside Taro. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in St. Louis's Zone 4 climate.

Does taro need full sun in St. Louis?

Taro requires partial shade ok. Taro tolerates lower light. In St. Louis, a spot with filtered or indirect light for 2-4 hours works well.

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

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