What are the Maryland planting zones?
Maryland planting zones fall between 5b and 8a, with just the very furthest western tip falling into the 5b zone. Knowing the Maryland growing zones means knowing when to plant for optimal results. Find your exact growing zone with Gilmour’s Interactive Planting Zone Map. In general, it is fine to plant anything rated for a given zone or below.
What are the USDA plant hardiness zones?
The USDA plant hardiness zones are to be used as a general guideline for planting. Gardeners should be aware that there are other factors that will affect the hardiness of a plant which includes wind, soil type, humidity, snow moisture and how plants are incorporated into a landscape.
When is the best time to plant vegetable seeds in Maryland?
Knowing your first and last frost dates will help you start your vegetable seeds at the right time. Maryland is in 5-8 USDA plant hardiness zones. *Based on statistics there is a 10% chance that frost will occur before or after these dates.
What planting zone should I plant in?
For example, most plants hardy to Zone 3 will perform well in Zone 7, as long as other plant requirements are met. Use the information about individual growing zones as a starting point for planning what to plant in your garden. Scroll to read more about each hardiness planting zone or jump directly to your zone using the links below:

What planting zone is Frederick MD in?
Frederick County, Maryland is in USDA Hardiness Zones 6b and 7a.
What zone are we in Maryland?
Maryland's hardiness zones are 5b to 8a, which is -15 to 15°F depending on where you live.
What zone is Hagerstown Maryland?
Hagerstown, Maryland is in USDA Hardiness Zones 6b and 7a.
What planting zone is Harford County Maryland?
Harford County, Maryland is in USDA Hardiness Zones 6b, 7a and 7b.
Does Maryland have 2 time zones?
Time zone. Maryland has the same time as New York.
What can I grow in Zone 7?
Zone 7. In zone 7, cool-weather vegetables can usually be planted outdoors in early February. These crops include beets, broccoli, cabbage, carrots, lettuce, onions, peas, potatoes, radishes, spinach, turnips, kale and collards. Plant corn in March.
What zone is Rockville Maryland?
Zipcode 20853 - Rockville Maryland is in Hardiness Zones 7a.
What zone is Baltimore Maryland?
Related Maryland Maps:Maryland LocationUSDA Hardiness Zone(s)BaltimoreZone 7a, 7b, 8aBaltimore City CountyZone 7a, 7b, 8aBaltimore CountyZone 6b, 7a, 7bBaltimore HighlandsZone 7b244 more rows
What planting zone is Bethesda MD?
7aZipcode 20817 - Bethesda Maryland is in Hardiness Zones 7a.
What zone is Montgomery County MD?
Montgomery County, Maryland is in USDA Hardiness Zones 6b, 7A and 7a.
What planting zone is Ellicott City MD?
Ellicott City, Maryland is in USDA Hardiness Zones 6b and 7a.
What zone is Annapolis?
Zipcode 21401 - Annapolis Maryland is in Hardiness Zones 7b.
What zone is Baltimore Maryland?
Related Maryland Maps:Maryland LocationUSDA Hardiness Zone(s)BaltimoreZone 7a, 7b, 8aBaltimore City CountyZone 7a, 7b, 8aBaltimore CountyZone 6b, 7a, 7bBaltimore HighlandsZone 7b244 more rows
What zone is DC?
List of 1990 Hardiness Zones for Cities in District Of ColumbiaLocationHardiness ZoneWashingtonZone 7a: 0°F to 5°F
What zone is Rockville Maryland?
Zipcode 20853 - Rockville Maryland is in Hardiness Zones 7a.
What climate is Maryland?
The climate of Maryland is characterized by generally hot, humid summers and cool winters. In comparison with the eastern shore and other lowland areas, the upland sections in the west have colder and longer winters, and cooler and shorter summers.
What is the temperature in USDA 7A?
These zones stretch from Frederick to the Potomac and beyond. USDA zone 7a has average low temperatures between 0 and 5 degrees Fahrenheit, and 7b features temperatures between 5 and 10 degrees. Plants that thrive in USDA zones 7a and 7b include rosemary (Rosmarinus officinalis), which grows best in USDA zones 6 through 9, and hyacinths (Hyacinthus spp.), which are hardy in USDA zones 4 through 9.
What is Zone 6A?
Zone 6a is defined as having average low temperatures between negative 10 and negative 5 degrees Fahrenheit, and zone 6b has temperatures between 0 and negative 5 degrees. Plants that thrive in such conditions include asters (Aster spp.), which are hardy in USDA zones 3 through 8, and the butterfly bush (Buddleia davidii), which is hardy in USDA zones 5 through 10.
What are the planting zones for Maryland?
In the United States, temperatures and conditions vary widely -- so much so that the U.S. Department of Agriculture divided the country into zones based on average low temperatures. In Maryland, the planting zones range from 5b to 8a.
Does Maryland have a cold winter?
Maryland can have cold winters. Temperatures can reach average lows of 15 degrees Fahrenheit below zero during the winter in the Allegheny mountains, although most of the state remains warmer. In fact, USDA zone 5b only covers the far western tip of the state. Plants that tolerate the cold winters of USDA plant hardiness zone 5 include astilbe (Astilbe spp.), which is hardy in zones 3 through 9, and phlox (Phlox spp.), which is hardy in USDA zones 2 through 9.
What plants grow well in Maryland?
Some native plants to the state include pickerel weed, geraniums, northern bayberry, moss phlox and amsonia blue ice. Tomatoes, peppers, beans, beets and spinach are all noted to do really well across the state.
What is the climate in Maryland?
Northern and western areas, known as the Piedmont region, see a humid continental climate with average seasonal snowfalls that are normally more than 20 inches per year. Western Maryland has humid continental climate characteristics, with large seasonal temperatures that contrast between cold winters and hot summers.
What is the hardiness zone for Maryland?
U.S. hardiness zones are based on weather patterns and frost dates and help determine what will grow and when to plant. Maryland planting zones fall between 5b and 8a , with just the very furthest western tip falling into the 5b zone. Knowing the Maryland growing zones means knowing when to plant for optimal results.
Is Maryland a unique state?
Are you thinking of starting a garden in Maryland, but not sure where to begin? You’ve come to the right place starting with finding out the Maryland planting zones. Maryland is unique in that the state has a varying array of climates.
Can you plant flowers in Maryland?
Planting anything rated for a higher defined zone is not a good idea, as plants that will thrive in higher zones most often cannot survive the colder winter conditions of a lower Maryland planting zone. Many plants and flowers will do well in Maryland. Since the state has such a widely varying climate, be sure to check that any specific plant can ...
Why Do You Start Seeds Indoors?
Starting seeds indoors (in seed trays or starter pots) gives your crops a head start on the growing season, which is especially important in regions with a short growing season. Starting seeds indoors also provides young, tender plants a chance to grow in a stable, controlled environment.
Which Seeds Should Be Started Indoors?
Not all vegetables should be started indoors! In fact, most are better off being started directly in the garden (aka "direct-sown"). The crops that should be started indoors are those that are particularly susceptible to cold temperatures or that have a very long growing season and need a head start.
How Is Planting for a Fall Harvest Different?
Planting in late summer for a fall harvest has many benefits (soil is already warm, temperatures are cooler, fewer pests). However, the challenge is getting your crops harvested before the winter frosts begin.
When Should You Transplant Seedlings?
When seedlings have grown too large for their seed trays or starter pots, it's time to transplant. If it's not yet warm enough to plant outdoors, transplant the seedlings to larger plastic or peat pots indoors and continue care.
What Is Planting by the Moon?
Planting by the Moon (also called "Gardening by the Moon") is a traditional way to plant your above- and below-ground crops, especially at the start of the season. Here's how it works:
What is Plant Hardiness?
Plant hardiness is the ability of a plant to survive adverse growing climates such as drought , flooding, heat and cold. The science behind plant hardiness can be complicated. Plant genetics determine the ability of a plant to withstand cold temperatures without damage. Each cultivar of a plant may have different hardiness levels based on their adaptations and genetics. Even different parts of a plant may be hardy in different ways. For example, the cold may cause your beloved perennial to die; however, the roots might be hardy enough to bring new growth in the spring.
What is a planting zone?
Planting zones are areas you can find on a growing zone map that show exactly which plants are best suited to thrive in your given area, or zone. When shopping for new plants for your garden landscape, the terms “plant hardiness zones,” “growing zones” and “planting zones” may at first seem a bit confusing.
What is a hardiness zone?
In essence, plant hardiness zones have been used by growers for years to simply identify the plants that are most likely to survive the winter in their area. Being able to understand a hardiness zone map means you’ll have a starting point for making wise planting decisions.
What is Zone 4?
Planting Zone 4 covers the southern coastal areas of Alaska, northern areas of the United States and high elevations found in the western mountains. These unique climates share minimum average temperatures of between -30 to -20 degrees F. Planting in this zone is less challenging than in colder zones, but the short growing season impacts both vegetables and flower bloom times.
What is the coldest zone for planting?
Planting Zone 1. USDA Plant Hardiness Zone 1 is the coldest zone designation for the United States. With minimum average temperatures between -60 to -50 degrees F, it can be a difficult zone for gardening. The majority of Zone 1 is located in Alaska.
What is the average temperature in Zone 1?
Zone 1 can expect minimum average temperatures of -60 to -50 degrees F#N#Zone 1a has a minimum average temperature of -60 to -55 degrees F#N#Zone 1b has a minimum average temperature of -55 to -50 degrees F#N#Each of the two subzones can experience harsher temperatures depending on weather conditions.
Why is it so hard to grow herbs in Zone 11?
Growing herbs in Zone 11 can be difficult because of the extreme heat of summer. Many will not produce seeds due to the heat, so they must be planted as annuals during the cooler months. Some herbs you can begin planting in early spring include:
How many USDA zones is Maryland in?
Maryland is in 5-8 USDA plant hardiness zones. *Based on statistics there is a 10% chance that frost will occur before or after these dates. Watch your local weather for more accurate dates. Maryland on average has approximately 170 days between the last and first frost.
How many days between the last frost and the first frost in Maryland?
Watch your local weather for more accurate dates. Maryland on average has approximately 170 days between the last and first frost. Use the planting schedules below for planning when to plant tomatoes, peppers and more.
