1. Chap 19. Horticultural Geography 1.Climate 2.Climatic Regions Tropical and Subtropical Dry Climate (Arid, Semi-Arid) Temperature Zone 4.Distribution of Selected Fruit Crops 5.Plant Hardiness Zones Definition USDA Plant Hardiness Zone Map Arnold Arboretum Map Floradapt Map based on Minimum Temperatues

2. 1.Climate A.Climate if affected by: a. Latitude b. Circulation of atmosphere and ocean current B. Components: a. Temperature b. Moisture (Precipitation) c. Light C. Microclimate: a. The climate of ‘small’ area b. Location vs. site: - Location: geographic, climatic area - Site: microclimate within a location D. Ecology: a. Study of life forms in relation to environment b. Climate influences distribution of horticultural crops and industry

3. 2. Climatic Regions A. Tropical Regions B. Subtropical Regions C. Dry Climate D. Mediterranean E. Temperate Zone F. Mountain (Tundra)

4. Climatic Zones of the World

5. A.Tropical and Subtropical Climate a. Hot and wet all year round b. Low light under tree canopy

6. B. Dry Climate a. Arid regions b. Semi-arid regions

7. Semi-Arid Climate - Low annual precipitation - Sonoran Desert of the Southwest

8. C. Mediterranean Climate A. Climate: Mild winters Dry hot summers B. Regions :Italy, Southern France, Spain Coastal California

9. D. Temperate Zone Climate - Deciduous trees and shrubs - Distinctive four seasons

10. E. Mountain Climate (Tundra) - Very cold year round

12. USDA Plant Hardiness Zone Map

13. New USDA Plant Hardiness Map

14. Plant Hardiness Zone Map North Dakota and Region

15. Last Frost Dates Based on Average Frost Dates

17. Vegetation Map of the World