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Growing Amaranth in Fargo

🇺🇸 Zone 1 Planting Guide · Warm-summer humid continental climate

USDA Zone 1 135 frost-free days 90-120 days to harvest

Quick Answer: Growing Amaranth in Fargo

Yes, you can grow Amaranth in Fargo, US! Plant during May, Jun, Jul, Aug for best results. Fargo is in USDA Zone 1 with a Warm-summer humid continental climate, offering 135 frost-free days per year. The difficulty level is medium, and Amaranth takes 90-120 days to harvest. Amaranth needs full sun and moderate watering.

Climate Match Analysis

Moderate Match Fargo + Amaranth

Fargo's climate requires careful timing. Winter lows (-20°C) drop below Amaranth's minimum (10°C), so avoid cold months. Follow the recommended planting months for success.

Amaranth tolerates 10°C to 38°C
Optimal: 20°C - 30°C
Fargo range -20°C to 28°C

Fargo Climate Data

USDA Zone
1
Frost-Free
135days
Winter Low
-20°C
Summer High
28°C
Rainfall
555mm/yr
Climate
Dfb
Warm-summer humid continental

Amaranth Planting Calendar for Fargo

Green months show the best time to plant Amaranth in Fargo

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

Amaranth Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Moderate

Keep soil consistently moist

📅

Days to Harvest

90-120

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Amaranth

Direct sow after last frost. Drought-tolerant once established. Wait until soil warms to at least 20°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Frost tolerance: Amaranth is NOT frost tolerant — wait until after the last frost in Fargo.

How to Grow Amaranth in Fargo

Fargo, US is in USDA Hardiness Zone 1 with a Warm-summer humid continental climate (Köppen Dfb). With winter lows of -20°C and summer highs of 28°C, the growing season spans approximately 135 frost-free days. Amaranth grows well with some gardening knowledge in this climate.

Amaranth thrives in temperatures between 20°C and 30°C, requiring full sun and moderate watering. In Fargo, the best months to plant Amaranth are May, June, July, August. Amaranth is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 90-120 days after planting.

With 555mm of annual rainfall, Fargo provides moderate natural moisture. This should be adequate for Amaranth's water needs.

Other Plants That Grow in Fargo

More plants you can grow alongside Amaranth in Fargo

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Frequently Asked Questions

Can I grow amaranth in Fargo?

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

When should I plant amaranth in Fargo?

In Fargo, the recommended planting months for Amaranth are May, June, July, August. Fargo has 135 frost-free days per year, with winter lows of -20°C and summer highs of 28°C. Since Amaranth is not frost tolerant, make sure to plant after the last frost date.

How long does amaranth take to grow in Fargo?

Amaranth typically takes 90-120 days from planting to harvest. In Fargo's Warm-summer humid continental climate with 135 frost-free days, you have enough time with good planning to grow Amaranth to maturity. Direct sow after last frost. Drought-tolerant once established. Wait until soil warms to at least 20°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Can I grow amaranth indoors in Fargo?

Amaranth can potentially be grown indoors in Fargo 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 moderate watering.

What month do I plant amaranth in Fargo?

Plant Amaranth in Fargo during May, June, July, August. These are the optimal months based on Fargo's USDA Zone 1 climate, 135 frost-free days, and temperature range of -20°C to 28°C.

Is amaranth hard to grow in Fargo?

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

What grows well with amaranth in Fargo?

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

Does amaranth need full sun in Fargo?

Amaranth requires full sun. In Fargo, 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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