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annual vegetable

Georgia Southern collards

A dependable leafy green in southern gardens.

Yield return 0.5-1.5 lb/plant/season
Zones 3a-10b
First output 35-70 days
Spacing 0.5-1.5 ft in-row x 1-3 ft rows
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heat-tolerant greenforgiving crop

Growing Profile

Hardiness
Zones 3a-10b
Sun
FullPartial
Soil
LoamClay
Water
Medium
Deer pressure
Not rated No deer-resistance category is assigned yet; treat browsing risk as local and variable.
Black walnut
Mixed or uncertain Use as a black walnut / juglone planning cue; tolerance varies by cultivar, soil, and distance from the tree.
Planting depth
Set transplants at the same depth as the nursery pot.
Container min
5+ gal (workable)
Goals
Vegetables & herbs

Harvest & Use

Window
cool-season leaves
Yield return
0.5-1.5 lb/plant/season
First output
35-70 days
Best for
Vegetables & herbs

Harvest window: cool-season leaves. Once established, the current pound-return model uses 0.5-1.5 lb/plant/season with a harvest window of 6-12 weeks.

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Plant photos

What it looks like in the garden

Use these photos to compare the plant's leaves, stems, flowers, fruit, and overall habit before you buy or plant.

Collard greens plant showing broad leaves and upright growth.
Plant photo Collard greens plant showing broad leaves and upright growth.

Photos show a representative plant in the garden. Fruit color, size, and growth habit can vary by cultivar, season, nursery stock, and site.

Photo sources: Kaweesaesther / Wikimedia Commons (CC BY-SA 4.0)

Quantitative Profile

Pound return
0.5-1.5 lb/plant/season
10-year return
5-15 lb/10 yrs
Full output
This season
Mature size
0.8-3 ft H x 0.8-2 ft W
Spacing
0.5-1.5 ft in-row x 1-3 ft rows
Planting depth
Set transplants at the same depth as the nursery pot.
Container min
5+ gal (workable)
Productive life
1 yrs
Difficulty
2/5
Reliability
4/5
Data quality
Medium profile, Medium yield confidence

Pound return is the stock-style yield metric. These are planning ranges for comparing plants, not guarantees. Cultivar, rootstock, climate, soil, pruning, pest pressure, and wildlife can move actual results.

Planting Checklist

8 items

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  • Seed-starting trays

    Propagation / Pre-season

    Start annual vegetables, herbs, and flowers ahead of transplant season.

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  • Floating row cover

    Protection / At planting

    Protect young crops from wind, light frost, and early pest pressure while still letting light and water through.

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  • Right-size container with drainage

    Containers / Before planting

    Use a container large enough for mature roots, with open drainage holes to prevent root rot.

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  • Insect netting

    Protection / At planting

    Exclude common chewing and flying pests from vulnerable vegetables, herbs, and young fruit plantings.

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  • Expanding container potting mix

    Containers / Before planting

    Use a lighter container medium instead of dense garden soil in pots and grow bags.

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  • Low tunnel hoops

    Protection / At planting

    Hold frost cloth or insect netting above seedlings so covers protect plants without rubbing leaves.

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  • Seedling grow light

    Propagation / Pre-season

    Keep indoor seedlings compact and sturdy before they move outside.

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  • Balanced garden fertilizer

    Nutrition / During growth

    Feed annual vegetables, herbs, flowers, and hungry container crops according to soil or label guidance.

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Yield curve

Estimated Pound Return

Projected annual yield ramp from establishment to full production, using the current sourced range for Georgia Southern collards.

Medium yield confidence
0 lb 0.4 lb 0.8 lb 1.1 lb 1.5 lb Source range Expected midpoint Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10
Year 1
0.5-1.5 lb
First-year estimate from the sourced curve.
Year 5
0.5-1.5 lb
Year 10
0.5-1.5 lb
10-year total
5-15 lb/10 yrs

Shaded band shows the sourced low-to-high pound-yield range. The line tracks the midpoint for quick comparison.

Method: direct pound yield from crop metric source. Annual crops assume one comparable planting per year; perennial crops ramp from first bearing to full production.

Planting Strategy

  • Planting depth: Set transplants at the same depth as the nursery pot.
  • Container minimum: 5+ gal (workable). Use 5+ gal for most single vegetable plants; smaller leafy/root crops can use less.
  • Start with one plant when testing fit in a new bed or container.
  • Plant more than one when harvest volume or pollination is the main goal.
  • Use the pairing map below to choose nearby companions or compatible varieties.

Risk Factors

  • Match the site first: full, partial light, loam, clay soil, and medium water.
  • Use 0.5-1.5 ft in-row x 1-3 ft rows as the first spacing model; adjust for hedges, trellises, containers, or local guidance.
  • Plan around mature size: 0.8-3 ft H x 0.8-2 ft W.
  • For harvest planning, treat "cool-season leaves" and 0.5-1.5 lb/plant/season as planning ranges, not guarantees.
  • Local drainage, pests, chill hours, wildlife pressure, and microclimates can change the result.

Related Planning Guides

Comparable Plants

Companion Plants & Pairings

Plant Nearby

Sources & Methodology

This guide combines hardiness range, light, soil, water, harvest timing, traits, supplier links, plant relationships, and quantitative planning metrics. Pairings are screened for practical garden fit.

Quantitative values use extension and botanical-reference ranges where available. For less-studied cultivars, similar crops fill gaps conservatively. Ranges are intentionally broad so the profile stays useful without pretending to be exact.

Supplier search: Amazon. Search links are not paid placements unless explicitly marked; affiliate listings may earn a commission. Last reviewed: 2026-05-31.