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Growing Lentil in Ottawa

🇨🇦 Zone 1 Planting Guide · Warm-summer humid continental climate

USDA Zone 1 165 frost-free days 80-110 days to harvest

Quick Answer: Growing Lentil in Ottawa

Yes, you can grow Lentil in Ottawa, CA! Plant during May, Jun, Jul, Aug for best results. Ottawa is in USDA Zone 1 with a Warm-summer humid continental climate, offering 165 frost-free days per year. The difficulty level is medium, and Lentil takes 80-110 days to harvest. Lentil needs full sun and low watering.

Climate Match Analysis

Moderate Match Ottawa + Lentil

Ottawa's climate requires careful timing. Winter lows (-15°C) drop below Lentil's minimum (5°C), so avoid cold months. Follow the recommended planting months for success.

Lentil tolerates 5°C to 30°C
Optimal: 15°C - 25°C
Ottawa range -15°C to 27°C

Ottawa Climate Data

USDA Zone
1
Frost-Free
165days
Winter Low
-15°C
Summer High
27°C
Rainfall
920mm/yr
Climate
Dfb
Warm-summer humid continental

Lentil Planting Calendar for Ottawa

Green months show the best time to plant Lentil in Ottawa

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

Lentil Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Low

Drought tolerant, water sparingly

📅

Days to Harvest

80-110

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Lentil

Direct sow in spring. Drought-tolerant. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Frost tolerance: Lentil is NOT frost tolerant — wait until after the last frost in Ottawa.

How to Grow Lentil in Ottawa

Ottawa, CA is in USDA Hardiness Zone 1 with a Warm-summer humid continental climate (Köppen Dfb). With winter lows of -15°C and summer highs of 27°C, the growing season spans approximately 165 frost-free days. Lentil grows well with some gardening knowledge in this climate.

Lentil thrives in temperatures between 15°C and 25°C, requiring full sun and low watering. In Ottawa, the best months to plant Lentil are May, June, July, August. Lentil is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 80-110 days after planting.

With 920mm of annual rainfall, Ottawa provides moderate natural moisture. This should be adequate for Lentil's water needs.

Other Plants That Grow in Ottawa

More plants you can grow alongside Lentil in Ottawa

Keep Exploring

Frequently Asked Questions

Can I grow lentil in Ottawa?

Yes! Lentil can be successfully grown in Ottawa, CA. Ottawa is in USDA Hardiness Zone 1 with a Warm-summer humid continental climate. The difficulty level for growing Lentil here is rated "medium". The best months to plant are May, June, July, August.

When should I plant lentil in Ottawa?

In Ottawa, the recommended planting months for Lentil are May, June, July, August. Ottawa has 165 frost-free days per year, with winter lows of -15°C and summer highs of 27°C. Since Lentil is not frost tolerant, make sure to plant after the last frost date.

How long does lentil take to grow in Ottawa?

Lentil typically takes 80-110 days from planting to harvest. In Ottawa's Warm-summer humid continental climate with 165 frost-free days, you have enough time with good planning to grow Lentil to maturity. Direct sow in spring. Drought-tolerant. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Can I grow lentil indoors in Ottawa?

Lentil can potentially be grown indoors in Ottawa 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 May, Jun, Jul, Aug outdoor planting window. Use containers with good drainage and low watering.

What month do I plant lentil in Ottawa?

Plant Lentil in Ottawa during May, June, July, August. These are the optimal months based on Ottawa's USDA Zone 1 climate, 165 frost-free days, and temperature range of -15°C to 27°C.

Is lentil hard to grow in Ottawa?

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

What grows well with lentil in Ottawa?

In Ottawa, you can grow many companion plants alongside Lentil. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Ottawa's Zone 1 climate.

Does lentil need full sun in Ottawa?

Lentil requires full sun. In Ottawa, 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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