Weather Almanac: Collinsville, OK 74021

🌱 Growing Season

USDA Zone

7a

Annual extreme lows 0°F to 5°F

Last Spring Frost (36°F)

🌷 Apr 14

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First Fall Frost (36°F)

🍂 Oct 20

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📚 Book Recommendations (ads!)

📚 Prairie & Plains States Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 Southwest Gardener's Handbook: Your Complete Guide: Select, Plan, Plant, Maintain, Problem-Solve - Texas, Arizona, New Mexico, Oklahoma, Southern Nevada, Utah

📚 Growing the Southwest Garden: Regional Ornamental Gardening

📍 Zip Codes

74021 (Collinsville, OK)

Temperature climatic data from weather station: OOLOGAH DAM (USC00346729)

Precipitation climatic data from weather station: SKIATOOK (USC00348258)

Agricultural climatic data from weather station: TULSA INTL AP (USW00013968)