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🥬 Vegetable medium

Growing Collard Greens in Vienna

🇦🇹 Zone 5 Planting Guide · Oceanic / Marine west coast climate

USDA Zone 5 220 frost-free days 55-75 days to harvest

Quick Answer: Growing Collard Greens in Vienna

Yes, you can grow Collard Greens in Vienna, AT! Plant during Feb, Mar, Apr, Aug, Sep for best results. Vienna is in USDA Zone 5 with a Oceanic / Marine west coast climate, offering 220 frost-free days per year. The difficulty level is medium, and Collard Greens takes 55-75 days to harvest. Collard Greens needs full sun and regular watering.

Climate Match Analysis

Good Match Vienna + Collard Greens

Vienna's temperatures (-2°C to 26°C) are within the tolerable range for Collard Greens (-5°C to 30°C), though not always in the optimal zone (10°C to 24°C). Plant during recommended months for best results.

Collard Greens tolerates -5°C to 30°C
Optimal: 10°C - 24°C
Vienna range -2°C to 26°C

Vienna Climate Data

USDA Zone
5
Frost-Free
220days
Winter Low
-2°C
Summer High
26°C
Rainfall
620mm/yr
Climate
Cfb
Oceanic / Marine west coast

Collard Greens Planting Calendar for Vienna

Green months show the best time to plant Collard Greens in Vienna

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

Collard Greens Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

55-75

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Collard Greens

Harvest lower leaves first. Flavor improves after light frost. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Collard Greens is frost tolerant — you can plant earlier in spring.

How to Grow Collard Greens in Vienna

Vienna, AT is in USDA Hardiness Zone 5 with a Oceanic / Marine west coast climate (Köppen Cfb). With winter lows of -2°C and summer highs of 26°C, the growing season spans approximately 220 frost-free days. Collard Greens grows well with some gardening knowledge in this climate.

Collard Greens thrives in temperatures between 10°C and 24°C, requiring full sun and regular watering. In Vienna, the best months to plant Collard Greens are February, March, April, August, September. Since Collard Greens can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 55-75 days after planting.

With 620mm of annual rainfall, Vienna provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Vienna

More plants you can grow alongside Collard Greens in Vienna

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Frequently Asked Questions

Can I grow collard greens in Vienna?

Yes! Collard Greens can be successfully grown in Vienna, AT. Vienna is in USDA Hardiness Zone 5 with a Oceanic / Marine west coast climate. The difficulty level for growing Collard Greens here is rated "medium". The best months to plant are February, March, April, August, September.

When should I plant collard greens in Vienna?

In Vienna, the recommended planting months for Collard Greens are February, March, April, August, September. Vienna has 220 frost-free days per year, with winter lows of -2°C and summer highs of 26°C. Collard Greens is frost tolerant, giving you more flexibility with planting dates.

How long does collard greens take to grow in Vienna?

Collard Greens typically takes 55-75 days from planting to harvest. In Vienna's Oceanic / Marine west coast climate with 220 frost-free days, you have plenty of time to grow Collard Greens to maturity. Harvest lower leaves first. Flavor improves after light frost. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. 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 collard greens indoors in Vienna?

Collard Greens can potentially be grown indoors in Vienna 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 Feb, Mar, Apr, Aug, Sep outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant collard greens in Vienna?

Plant Collard Greens in Vienna during February, March, April, August, September. These are the optimal months based on Vienna's USDA Zone 5 climate, 220 frost-free days, and temperature range of -2°C to 26°C.

Is collard greens hard to grow in Vienna?

Collard Greens is rated "medium" to grow in Vienna. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Collard Greens in Vienna is Good.

What grows well with collard greens in Vienna?

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

Does collard greens need full sun in Vienna?

Collard Greens requires full sun. In Vienna, 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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