Big mistakes are made by gardeners from desert or coastal areas and not realizing how cold affects plants. Cactus brought up to the mountains from desert nurseries thrive in the summer heat but quickly turn to black mush as freezing weather hits them, never to live again.
Model outputs for WW2100 3.0 can be downloaded here, grouped by scenario. WW2100 3.0 output was generated during summer and fall 2016 by Willamette Envision code version 330 and 331. Refer to the description files (linked from the table below) for details about each data set. Four types of data can be downloaded:
download usda cold summer zip
Durable, traffic-tolerant ryegrass naturally resists insects and disease, and offers moderate drought tolerance suited to northern summers. Collaborative testing between the Cooperative Turfgrass Breeders Test and the National Turfgrass Evaluation Program pursues increasingly cold-tolerant varieties. Pennington Smart Seed Perennial Ryegrass Blend offers premium ryegrass varieties selected for optimal balance in Midwest lawns.
USDA Hardiness Zone 6 covers a large portion of the United States. Known as a generally mild climate, the average minimum winter temperature is between -10 to 0 degrees F. With cold winter and mild-to-hot summers, you have many growing options in Zone 6.
Because Zone 6 features distinct seasons of spring, summer and fall, flowers are available and will bloom for several months. In addition to cold hardy flowers such as pansies and snapdragons, extend your growing season by planting:
Frost and early spring cold snaps can damage young vegetables. Providing row covers or cold frames can help protect against early spring or late fall damage. The long, hot summers, combined with the milder winters provide ideal growing temperatures for almost all vegetables. Although artichoke can be grown as an annual starting in Zone 4, in Zone 7 this decorative and edible plant becomes a perennial favorite. Add to your planting list:
Many gardeners in Zone 8 grow vegetables three times a year, especially with the aid of cold frames and row covers. Cool weather plants like spinach, lettuce and peas can be grown in both the spring and the fall. Even your summer vegetable harvest can be extended by planting every two weeks. Vegetables that thrive in the summer heat of Zone 8 include:
Long, hot summers and mild winter conditions make the heat more of an issue than the cold in this zone. Tropical plants with low water requirements thrive in Zone 9. Because of the extreme heat, spring gardening begins much earlier and fall gardens produce much longer than in other zones.
Cool season crops, including lettuces, radishes and peas, can be grown in Zone 10 during the winter with little fear of cold damage. Summer vegetables must be able to handle the long, hot days of summer. Consider including these vegetables in your Zone 10 garden:
Tropical plants are the highlight of Zone 11. With long, hot summers and warm winters, Zone 11 growers need to look for plants that are heat tolerant. Traditionally cold season plants, such as pansies and spinach, will have a limited growing season in the even the coolest part of winter here (which is rarely cold at all). Plants native to the area have the best chance of surviving the heat of summer. 2ff7e9595c
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