Edaphia References

Sources & References

Edaphia combines regional planting guidance, horticultural references, extension publications, and practical garden-planning logic to help gardeners make better seasonal decisions.

How Edaphia Uses Data

Guidance, not guarantees

Planting windows and growing recommendations are compiled from multiple horticultural and regional gardening sources, then adapted for use in this garden planner.

Local weather, microclimate, soil conditions, pest pressure, irrigation, and variety selection may shift actual planting dates and care needs.

Edaphia is intended as a planning aid. Gardeners should always adjust recommendations based on their own location, experience, and current growing conditions.

Current References

Data sources used by Edaphia

These references support planting windows, crop details, variety notes, zone context, and future garden-planning features.

1 publication

Alabama Cooperative Extension System

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1 citation-specific reference in the Edaphia source registry.

1 publication

Brawley Seed Company

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1 citation-specific reference in the Edaphia source registry.

1 publication

California Pistachio Research

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1 citation-specific reference in the Edaphia source registry.

2 publications

Clemson Cooperative Extension

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2 citation-specific references in the Edaphia source registry.

1 publication

Cornell Cooperative Extension

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Land-grant university extension publisher.

1 publication

Cornell Garden-Based Learning

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1 citation-specific reference in the Edaphia source registry.

1 publication

Cornell University

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1 citation-specific reference in the Edaphia source registry.

1 publication

Cornell University Cooperative Extension

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1 citation-specific reference in the Edaphia source registry.

1 publication

EPM Labs, LLC

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1 citation-specific reference in the Edaphia source registry.

1 publication

Garden Truth

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1 citation-specific reference in the Edaphia source registry.

1 publication

Gowan Seed

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1 citation-specific reference in the Edaphia source registry.

1 publication

Harris Seeds

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1 citation-specific reference in the Edaphia source registry.

25 publications

High Mowing Organic Seeds

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25 citation-specific references in the Edaphia source registry.

3 publications

Holmes Seed Company

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3 citation-specific references in the Edaphia source registry.

1 publication

HOSS

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1 citation-specific reference in the Edaphia source registry.

1 publication

John Scheepers Kitchen Garden Seeds

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1 citation-specific reference in the Edaphia source registry.

227 publications

Johnny's Selected Seeds

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Seed supplier and primary product-information publisher for named cultivars.

5 publications

LSU AgCenter

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Louisiana State University agricultural research and Extension publisher.

2 publications

Mississippi State University Extension Service

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2 citation-specific references in the Edaphia source registry.

6 publications

Missouri Botanical Garden

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Botanical institution and publisher of the Plant Finder horticultural profiles.

2 publications

Native Seeds/SEARCH

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2 citation-specific references in the Edaphia source registry.

1 publication

Native Seeds/SEARCH ADAPTS

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1 citation-specific reference in the Edaphia source registry.

4 publications

NC State Extension

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4 citation-specific references in the Edaphia source registry.

1 publication

NCAT / ATTRA Sustainable Agriculture

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1 citation-specific reference in the Edaphia source registry.

1 publication

New Mexico State University Cooperative Extension Service

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1 citation-specific reference in the Edaphia source registry.

3 publications

North Carolina State University

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Land-grant university and cooperative extension publisher.

1 publication

Ohio State University Extension

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1 citation-specific reference in the Edaphia source registry.

11 publications

Oregon State University Extension

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11 citation-specific references in the Edaphia source registry.

4 publications

Oregon State University Extension Service

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Peer-reviewed Extension guidance for gardens, farms, and landscapes.

9 publications

Penn State Extension

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9 citation-specific references in the Edaphia source registry.

1 publication

Plantwise

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1 citation-specific reference in the Edaphia source registry.

1 publication

Potatoes USA

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1 citation-specific reference in the Edaphia source registry.

4 publications

Royal Horticultural Society

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Horticultural institution and publisher of cultivar-specific plant profiles.

2 publications

Sakata Seed America

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2 citation-specific references in the Edaphia source registry.

4 publications

SARE

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4 citation-specific references in the Edaphia source registry.

1 publication

SimpleMaps

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1 citation-specific reference in the Edaphia source registry.

2 publications

Southern Exposure Seed Exchange

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2 citation-specific references in the Edaphia source registry.

1 publication

Sustainable Agriculture Research and Education

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USDA-supported education and research program for sustainable agriculture.

1 publication

Takii Seed

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1 citation-specific reference in the Edaphia source registry.

29 publications

Territorial Seed Company

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29 citation-specific references in the Edaphia source registry.

1 publication

The California Backyard Orchard

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1 citation-specific reference in the Edaphia source registry.

1 publication

The Old Farmer’s Almanac

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1 citation-specific reference in the Edaphia source registry.

1 publication

The Spruce is part of the People Inc. publishing family

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1 citation-specific reference in the Edaphia source registry.

1 publication

The Ultimate Homestead

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1 citation-specific reference in the Edaphia source registry.

1 publication

Tokita Seed America

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1 citation-specific reference in the Edaphia source registry.

1 publication

Twilley Seed

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1 citation-specific reference in the Edaphia source registry.

1 publication

U.S. Department of Agriculture, Agricultural Research Service

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1 citation-specific reference in the Edaphia source registry.

7 publications

UC Agriculture and Natural Resources

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7 citation-specific references in the Edaphia source registry.

2 publications

UC Cooperative Extension

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2 citation-specific references in the Edaphia source registry.

4 publications

UC Master Gardeners

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4 citation-specific references in the Edaphia source registry.

1 publication

University Extension

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1 citation-specific reference in the Edaphia source registry.

1 publication

University of Alaska Fairbanks Cooperative Extension Service

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1 citation-specific reference in the Edaphia source registry.

1 publication

University of California Agriculture and Natural Resources

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1 citation-specific reference in the Edaphia source registry.

1 publication

University of California ANR

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1 citation-specific reference in the Edaphia source registry.

1 publication

University of California Statewide IPM Program

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University of California guidance on integrated pest management, insectary plantings, and crop-system management.

1 publication

University of Florida IFAS Extension

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1 citation-specific reference in the Edaphia source registry.

9 publications

University of Georgia Cooperative Extension

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University Extension source for home vegetable spacing guidance.

3 publications

University of Georgia Extension

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3 citation-specific references in the Edaphia source registry.

1 publication

University of Georgia Pecan Extension

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1 citation-specific reference in the Edaphia source registry.

1 publication

University of Guelph

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University breeder and agricultural research publisher.

1 publication

University of Hawaiʻi College of Tropical Agriculture and Human Resources

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1 citation-specific reference in the Edaphia source registry.

1 publication

University of Kentucky Extension

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1 citation-specific reference in the Edaphia source registry.

30 publications

University of Maryland Extension

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University Extension publisher for research-based garden guidance.

94 publications

University of Minnesota Extension

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Research-based horticulture, agriculture, pest, disease, and home-garden guidance.

4 publications

University of Missouri Extension

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4 citation-specific references in the Edaphia source registry.

1 publication

University of Vermont Extension

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1 citation-specific reference in the Edaphia source registry.

1 publication

University of Wisconsin–Madison Division of Extension

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Land-grant university extension publisher.

1 publication

USDA Agricultural Research Service

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1 citation-specific reference in the Edaphia source registry.

1 publication

USDA APHIS

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1 citation-specific reference in the Edaphia source registry.

2 publications

USDA APHIS Wildlife Services

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2 citation-specific references in the Edaphia source registry.

2 publications

USDA Natural Resources Conservation Service

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Federal source for the Family Garden Planning Guide.

1 publication

USDA NIFA / StopBMSB

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1 citation-specific reference in the Edaphia source registry.

1 publication

USDA NIFA / SWD IPM

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1 citation-specific reference in the Edaphia source registry.

1 publication

USDA NRCS

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1 citation-specific reference in the Edaphia source registry.

6 publications

Utah State University Extension

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6 citation-specific references in the Edaphia source registry.

1 publication

Victory Seed Company

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1 citation-specific reference in the Edaphia source registry.

1 publication

Virginia Cooperative Extension

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1 citation-specific reference in the Edaphia source registry.

2 publications

Washington State University Extension

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2 citation-specific references in the Edaphia source registry.

1 publication

WeSeeds

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1 citation-specific reference in the Edaphia source registry.

1 publication

Xerces Society

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1 citation-specific reference in the Edaphia source registry.

1 publication

Xerces Society and SARE

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1 citation-specific reference in the Edaphia source registry.

Planning Disclaimer

Planting windows are estimates. A crop that appears in a calendar window may still need adjustment based on rainfall, heat, frost risk, drainage, sunlight, disease pressure, and the specific variety being planted.