
What plant hardiness zone is Pennsylvania?
Zone 7a. 0°F to 5°F. + -. Leaflet | ©Plantmaps ©OpenStreetMap Contributors. Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Pennsylvania which ranges from USDA Zone 4b to USDA Zone 7a.
What plants are found in the sunlight zone?
- Red algae ( Rhodophyta) -- Porphyra (from which edible nori is made), dulse, Ceramium and maerl
- Green algae (Chlorophyta) --thongweed, sea lettuce (Ulva)
- Brown algae (Phaeophyta) -- like fast-growing kelp, Sargassum, Turbinaria, Dictyota, and wrack
What hardiness zone is Pennsylvania?
This data, as well as other factors, such as elevation and proximity to a large body of water, were used to set plant hardiness zones for all areas of the country. Pennsylvania zones include 5a, 5b, 6a, 6b, 7a and a very small section of 7b. If you have a difficult time finding your location on the above map, you can visit the USDA site where you can input your zip code to find out exactly which zone you are in.
What growing zone is Pennsylvania?
Pennsylvania planting zones are mostly in the 5b to 7a range, however there are small snippets of the state that are 5a and 7b, extending the range a bit. Finding out which Pennsylvania growing zones you are in is the first step in successfully planting a thriving garden. You can quickly find your zone using Gilmour’s Interactive Planting Zone Map.

What zone is Philadelphia PA for planting?
Philadelphia is in hardiness zones 7A and 7B. Consult this map to determine your hardiness zone. Use the zip code look up feature to determine your hardiness zone.
What planting zone is South East PA?
In fact, much of southeastern PA was zone 6 and is now zone 7.
What zone is Northeast PA for planting?
North East, Pennsylvania is in USDA Hardiness Zones 6b.
What gardening zone is Western PA?
The Pittsburgh area is considered Zone 6B.
Where is zone 8 in the US?
In North America, Zone 8 is one of the warmest zones, containing much of the southern quarter of the United States, including much of North Carolina, South Carolina, Georgia, Alabama, Mississippi, Florida, Louisiana, Arkansas, Texas, Arizona, California, and coastal Oregon and Washington.
Where is Zone 4 in the United States?
Zone 4: -30 to -20°F Zone 4 plants can withstand minimum chilled temps from -30 to -20°F. You can find this zone in Montana, Wyoming, North Dakota, South Dakota, Minnesota, Wisconsin, and Eastern states such as Northern New York, New Hampshire, and Maine.
When can you start planting in PA?
Master Gardeners Philadelphia Planting GuideFirst DatePlantsLast DateLate MarchLettuce*, Radishes*, Beets*, Carrots*Mid MayLate MarchShallots, Spinach*, Bok Choy, Parsley Plants: Cabbage Family (Broccoli, Collards, Etc) Leeks, OnionsLate AprilEarly AprilSwiss Chard, BeetsMid JuneMid AprilCeleryMid May10 more rows
What garden zone is Lancaster PA?
Lancaster County, Pennsylvania is in USDA Hardiness Zones 6b and 7a.
When should I start my seeds in PA?
In Pennsylvania, you can sow most annual seeds outdoors after the last frost date since the growing season is long enough for them to germinate, grow to maturity, and blossom before temperatures drop to near-freezing levels.
What planting zone is Harrisburg Pennsylvania?
Harrisburg, Pennsylvania is in USDA Hardiness Zones 7a.
What planting zone is Bethlehem PA?
zone 6Bethlehem is in zone 6.
What zone is Carlisle PA?
Carlisle, Pennsylvania is in USDA Hardiness Zones 6b.
What zone is Allentown PA?
Zones 6bAllentown, Pennsylvania is in USDA Hardiness Zones 6b.
What zone is Lancaster PA?
Lancaster County, Pennsylvania is in USDA Hardiness Zones 6b and 7a.
What zone is Carlisle PA?
Carlisle, Pennsylvania is in USDA Hardiness Zones 6b.
What planting zone is Johnstown PA?
Johnstown, Pennsylvania is in USDA Hardiness Zones 6a and 6b.
What are the hardiness zones in Pennsylvania?
Pennsylvania zones include 5a, 5b, 6a, 6b, 7a and a very small section of 7b.
What is plant hardiness zone?
Plant hardiness, as defined by the USDA, refers to the hardiness of a particular species to tolerate average extreme winter low temperatures.
What zone is Pennsylvania in?
The USDA or United States Department of Agriculture has introduced a planting zone to mark an average temperature on each planting zone. Pennsylvania falls in planting zone 5 and 6, although you can further sub-divide them into zone 5a, 5b, 6a, and 6b.
What are the best plants to grow in Pennsylvania?
It incorporates okra, onions, lettuce, sweet peppers, broccoli, kale, and Brussels. Some plants and flowers fill in plenitude in Pennsylvania. Plants, columbine, white wood aster, wild blue indigo, summer phlox, brilliant ragwort, and numerous others are local to the space, and fill in a nursery.
What is the average temperature in Pennsylvania?
Their average temperature ranged from -20 to -10 degrees Fahrenheit. Whereas zone 6 contains the entire eastern and southern region of Pennsylvania, the average temperature ranges from zero degrees Fahrenheit.
What is Pennsylvania known for?
Pennsylvania is known for its diverse climatic landscape and geographic features . The huge planting area in this state comes with a humid continental climate except for the southern regions. The southern regions in Pennsylvania feature a humid subtropical climate that brings warmer weather.
Where are the planting zones 12 and 13?
Planting Zones 12 and 13. Planting Zones 12 and 13 are not found in the continental United States, but are located in both Hawaii and Puerto Rico. These two plant hardiness zones are extremely warm, tropical environments that are best suited for plants tolerant of intense heat.
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 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 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.
What is the temperature range for planting zones?
These are areas which range in minimum temperatures from -60 degrees Fahrenheit to 70 degrees Fahrenheit.
Why is it more accurate to use planting zones?
It’s more accurate to use planting zones because it’s measured by the climate which can be different in areas in proximity to each other.
Why do planting zones matter?
Why Planting Zones Matter. If you’ve ever put in the effort to start your plants from seeds, or you’ve shelled out the money to plant a garden from seedlings someone else has started, you understand why planting zones matter. Planting a garden is an investment of both time and money.
What temperature do perennials need to survive?
For instance, if you’re planting in zone 9A, the plant must be able to survive a minimum temperature of 20 degrees Fahrenheit to be a perennial.
What is the idea of a perennial?
The idea is to match up plants and the climates where they originated from, with other similar environments around the USDA map. By understanding what zone you’re located in, you can find out which plants will grow best in your area and which won’t. Also, which perennials will work as true perennials, and which will have to be treated as annuals. ...
What is the coldest zone in the US?
1A is the coldest zone in the US which averages a minimum winter temperature of -60 degrees Fahrenheit. 13B is the warmest zone which averages a minimum temperature of 70 degrees Fahrenheit. When deciding what to plant in each zone, the plant must be able to thrive in a climate with such low temperature.
How many zones are there in a state?
Zones can vary in your region. Some states can have two or more zones in their state alone.

USDA Pennsylvania Hardiness Zones: 5A, 5B, 6A, 6B, 7A, 7B
Pennsylvania Planting Zone – A Quick Overview
- If you live in McKean County or Warren County, there’s a good possibility you live in the 5a planting zone.
- If you live in the northern portion of Pennsylvania, such as Tioga County or Wayne County, you live in the 5b planting zone.
- The plant hardiness zone of Altoona is 6a.
- If you live in McKean County or Warren County, there’s a good possibility you live in the 5a planting zone.
- If you live in the northern portion of Pennsylvania, such as Tioga County or Wayne County, you live in the 5b planting zone.
- The plant hardiness zone of Altoona is 6a.
- Pittsburgh is considered planting zone 6b.
Using The Pennsylvania Growing Zones Map
- Raising a garden in Pennsylvania is easy, and you don’t even need to be a master gardener to do it. A simple trick to growing a successful garden is identifying your planting zone and choosing plants that thrive in your specific growing zone. The USDA has made it extremely easy to locate your planting zone. In 2012, the USDA designed the USDA Plant Hardiness Zone Map. The color-…
Pennsylvania: A Leading Mushroom Producer
- Pennsylvania’s growing season is about 150 days of the year or about six months. The year’s last frost usually determines the start of the planting season. Depending on your planting zone and your location in the state, you might begin planting outdoors towards the end of May. Some areas may start to plant earlier in April. Mushrooms are not the only crop that grows well in Pennsylva…
Understanding Growing Zones
Pennsylvania Growing Zones
- There is no guesswork when it comes to USDA growing zones. That said, Pennsylvania growing zones are: 5a: −20°F(−28.9°C) to −15°F(−26.1°C) 5b: −15°F(−26.1°C) to −10°F(−23.3 °C) 6a: −10°F(−23.3°C) to −5°F(−20.6°C) 6b: −5°F(−20.6°C) to 0°F(−17.8°C) 7a: 0°F(−17.8°C) to 5°F(−15°C) 7b: 5°F(−15°C) to 10°F(−12.2°C) If you are a new gardener or have just p...
Pennsylvania Climate
- Growing zones are incredibly useful in helping gardeners determine which plants and flowers could survive in the region. While this is one of the critical factors in the survival of many plants, there are many other equally important factors that you need to consider when picking the plants to grow. Among these is climate. Generally, plants do well when planted in regions that mimic th…
What Growing Zone Is Pennsylvania: Conclusion
- Knowing which Pennsylvania growing zone you are in is the first step in successfully establishing a thriving garden. If you are interested in gardening, the good news is that some plants, especially flowers, herbs, and shrubs, do well in a range of growing zones. Hopefully, this post will be of great help to you when establishing your garden. Most plants in nurseries are labeled with a har…