San Francisco , located in Northern California , is renowned for its balmy climate and alone topography . Due to its geographical location , the metropolis is situated in the USDA Hardiness Zones 10a and 10b . These zone are have it off for their twelvemonth - pear-shaped soft temperatures , which make them perfect for growing various types of plant life , including fruit , vegetables , and flowers .
USDA Hardiness Zones are a classification system used to designate the coldest temperature that a specific neighborhood is likely to experience . The zona cast from 1a ( the moth-eaten ) to 13b ( the warmest ) . San Francisco ’s zones 10a and 10b are characterized by mild winters and red-hot summers . The orbit is less prone to frost than other parts of the commonwealth , which makes it an excellent location for garden throughout the year .
Additional Resource : California ’s Hardiness Zone Map
First and last frosts in San Francisco
In San Francisco , the average first frost is on December 15th , and the final hoarfrost date is around January 31st . This means that plants can in general be grown class - cycle without much risk of frost damage aside from mid - December to tardy January . With the soft atmospheric condition , people can plant their gardens outdoors at any time throughout the year , as long as they choose flora that are appropriate for the season and are prepared to protect them during unusual cold snaps .
Although San Francisco is know for its mild climate , it ’s important to keep in mind that unexpected cold snaps can occur during the winter month . Gardeners should be prepared to cover their works with frost blankets or other protective coating if temperatures are expect to dismiss below freezing . Being aware of the atmospheric condition and take precautions to protect plant from frost wrong can help see a successful gardening time of year ..
When To Plant Outdoors In San Francisco
In spring , gardeners can implant vegetable such as cultivated carrot , lettuce , spinach , and peas . These plants flourish in the mild temperatures of San Francisco ’s springtime . During the summer month , gardener can grow heating system - loving craw such as tomato , cucumbers , and white pepper . Fall is an ideal fourth dimension to plant Brassica such as kale , Brassica oleracea italica , and cabbage . Gardeners can even grow cool - season crops like clams and spinach well into the winter months .
The meek climate of San Francisco ’s Hardiness Zones also allow for the cultivation of many type of fruit trees , such as citrus , apples , and figs . These Sir Herbert Beerbohm Tree can be grown in gardens , on patios , and even in container . Many gardener in San Francisco also grow flowers , such as pink wine , dahlia , and hydrangea , which bloom yr - round in the modest mood .
San Francisco ’s USDA Hardiness Zones offer an ideal clime for year - round horticulture . With a small knowledge of the region ’s weather condition patterns and planting seasons , gardener in San Francisco can love fresh green goods and beautiful flush throughout the yr . The mild climate , absence of frost , and long mature season provide ample opportunities for gardeners to try out with unlike types of plants and create a beautiful garden space .
