Intensive Culture & Season Extension

Warren Roberts

George Kuepper

Production TemperaturesGarlic, Leek, Onion

• Optimum

• Minimum

• Maximum

• 55-75

• 45

• 85

Production Temperatures Beet, Broccoli, Brussels Sprouts, Cabbage,

Chard, Collards, Kale, Radish, Spinach, Turnip

• Optimum

• Minimum

• Maximum

• 60-65

• 40

• 75

Production TemperaturesCarrot, Cauliflower, Lettuce, Mustard, Peas,

Potato

• Optimum

• Minimum

• Maximum

• 60-65

• 45

• 75

Production Temperatures Lima Beans, Snap Beans

• Optimum

• Minimum

• Maximum

• 60-70

• 50

• 80

Production TemperaturesSweet Corn, Southern Pea

• Optimum

• Minimum

• Maximum

• 60-75

• 50

• 95

Production Temperatures Pumpkin, Squash

• Optimum

• Minimum

• Maximum

• 65-75

• 50

• 90

Production Temperatures Cucumber, Muskmelon

• Optimum

• Minimum

• Maximum

• 65-75

• 60

• 90

Production TemperaturesSweet Pepper, Tomato

• Optimum

• Minimum

• Maximum

• 70-75

• 65

• 80

Production TemperaturesEggplant, Hot Pepper, Okra, Sweet Potato,

Watermelon

• Optimum

• Minimum

• Maximum

• 70-85

• 65

• 95

Wister Average Temperatures

Season Extension

• Season extension refers to anything that allows a crop to be cultivated beyond its normal outdoor growing season.

Average Growing Season

Wister Average Temperatures

Average Fall Freeze

Earliest Fall Freeze

Cold Season Extension

• Greenhouses

• Hoop Houses

• Cold Frames

• Row Covers

• Raised Beds

• Mulches

• Site Selection

Cold Weather Season Extension

Cold Weather Season Extension

Cloche

Multi-Purpose Structure

Wister Average Temperatures

Days Above 90

Days Above 100

Hot Weather Season Extension

• Shade Houses

• Floating Shade Covers

Hot Weather – Shade Cloth

Hot Weather Season Extension

• Mulches

• Mist Systems

Evaporative Mist Cooling

Average Wind Speed

Average Maximum Wind Speed

Average Maximum Gust Speed

Windbreaks

Hot Season Extension• Site Selection

Row Arrangement

Combinations –Epcot – Living with the Land