Maryland Planting Calendar
Maryland spans USDA hardiness zones 6a, 6b, 7a, 7b, 8a. Planting dates vary significantly across the state depending on your zone. Find your county on the map below for exact frost dates and planting windows.
Find Your County
Click any county to see your local planting calendar with exact frost dates and planting windows.
Hover over a county to see details. Click to view planting guide.
Zones in Maryland
Zone 6a
Winter low: -10 to -5°F
193
Growing Days
Apr 10
Last Frost
Oct 20
First Frost
1
Counties
Zone 7a
Winter low: 0 to 5°F
221
Growing Days
Mar 25
Last Frost
Nov 1
First Frost
4
Counties
Zone 7b
Winter low: 5 to 10°F
235
Growing Days
Mar 18
Last Frost
Nov 8
First Frost
13
Counties
Zone 8a
Winter low: 10 to 15°F
255
Growing Days
Mar 8
Last Frost
Nov 18
First Frost
6
Counties
Growing Season Comparison
Growing Season by Zone
Zone 1a
Jun 15 – Aug 15
Zone 1b
Jun 7 – Aug 25
Zone 2a
May 30 – Sep 1
Zone 2b
May 22 – Sep 10
Zone 3a
May 15 – Sep 15
Zone 4a
May 6 – Sep 28
Zone 5a
Apr 25 – Oct 8
Zone 5b
Apr 18 – Oct 13
Zone 6a
Apr 10 – Oct 20
Zone 6b
Apr 3 – Oct 25
Zone 7a
Mar 25 – Nov 1
Zone 7b
Mar 18 – Nov 8
Zone 8a
Mar 8 – Nov 18
Zone 8b
Feb 25 – Nov 28
Zone 9a
Feb 10 – Dec 10
Zone 10a
Jan 1 – Dec 31
0
90
180
270
365 days
Frost Dates & Growing Season by County
View all 24 Maryland counties with frost dates
| County | Zone | Last Frost | First Frost | Growing Days |
|---|---|---|---|---|
| Allegany County | 7a | May 6 | Oct 12 | 159 |
| Anne Arundel County | 8a | Apr 3 | Nov 3 | 214 |
| Baltimore City | 8a | Apr 3 | Nov 6 | 217 |
| Baltimore County | 7b | Apr 3 | Nov 6 | 217 |
| Calvert County | 7b | Mar 30 | Nov 10 | 225 |
| Caroline County | 7b | Apr 4 | Nov 4 | 214 |
| Carroll County | 7a | Apr 17 | Oct 26 | 192 |
| Cecil County | 7b | Apr 6 | Oct 31 | 208 |
| Charles County | 7b | Mar 29 | Nov 14 | 230 |
| Dorchester County | 8a | Apr 9 | Nov 1 | 206 |
| Frederick County | 7a | Apr 16 | Oct 23 | 190 |
| Garrett County | 6a | Apr 28 | Oct 17 | 172 |
| Harford County | 7b | Apr 8 | Nov 2 | 208 |
| Howard County | 7b | Apr 8 | Nov 1 | 207 |
| Kent County | 7b | Apr 2 | Nov 4 | 216 |
| Montgomery County | 7b | Apr 16 | Oct 20 | 187 |
| Prince George's County | 7b | Apr 1 | Nov 10 | 223 |
| Queen Anne's County | 7b | Mar 31 | Nov 6 | 220 |
| Somerset County | 8a | Apr 9 | Nov 1 | 206 |
| St. Mary's County | 8a | Apr 5 | Nov 4 | 213 |
| Talbot County | 8a | Apr 1 | Nov 8 | 221 |
| Washington County | 7a | Apr 16 | Oct 23 | 190 |
| Wicomico County | 7b | Apr 9 | Nov 1 | 206 |
| Worcester County | 7b | Apr 12 | Oct 30 | 201 |
🥬 Vegetables
Browse all 116 vegetables you can grow in Maryland
- Acorn Squash
- Amaranth
- Artichoke
- Arugula
- Asparagus
- Beets
- Belgian Endive
- Bitter Melon
- Black Beans
- Bok Choy
- Broccoli
- Broccoli Rabe
- Brussels Sprouts
- Butternut Squash
- Cabbage
- Calabash
- Cardoon
- Carrots
- Cauliflower
- Celeriac
- Celery
- Celtuce
- Chard
- Chayote
- Chickpeas
- Chicory
- Chinese Cabbage
- Christmas Lima Beans
- Collard Greens
- Corn
- Cowpeas
- Cress
- Crookneck Squash
- Crosne
- Cucumber
- Daikon
- Delicata Squash
- Edamame
- Eggplant
- Endive
- Escarole
- Fava Beans
- Fennel
- Garlic
- Ginger
- Green Beans
- Horseradish
- Hot Peppers
- Hubbard Squash
- Jicama
- Kabocha
- Kai Lan
- Kale
- Kidney Beans
- Kohlrabi
- Komatsuna
- Leeks
- Lentils
- Lettuce
- Lima Beans
- Loofah
- Luffa
- Mache
- Malabar Spinach
- Melon
- Microgreens
- Mitsuba
- Mizuna
- Mustard Greens
- Napa Cabbage
- New Zealand Spinach
- Okra
- Onion
- Pac Choi
- Parsnip
- Patty Pan Squash
- Peas
- Peppers
- Pole Beans
- Potatoes
- Pumpkin
- Purslane
- Radicchio
- Radish
- Rhubarb
- Romanesco
- Rutabaga
- Salsify
- Savoy Cabbage
- Scallions
- Scarlet Runner Beans
- Shallot
- Shiso
- Snap Peas
- Snow Peas
- Soybeans
- Spaghetti Squash
- Spinach
- Squash (Summer)
- Squash (Winter)
- Sunchoke
- Sunflower
- Sweet Corn
- Sweet Potatoes
- Tatsoi
- Tomatillo
- Tomatoes
- Turmeric
- Turnip
- Watercress
- Watermelon
- Wax Beans
- Winter Melon
- Yam
- Yard Long Beans
- Zucchini
🍓 Fruits
Browse all 34 fruits you can grow in Maryland
- Alpine Strawberries
- Aronia
- Blackberries
- Blueberries
- Boysenberries
- Cantaloupe
- Che Fruit
- Cranberries
- Currants
- Dragon Fruit
- Elderberries
- Figs
- Goji Berries
- Gooseberries
- Grapes
- Ground Cherry
- Guava
- Hardy Kiwi
- Haskaps
- Honeydew
- Jostaberry
- Kiwi
- Lingonberries
- Loquat
- Medlar
- Mulberries
- Passion Fruit
- Pawpaw
- Persimmon
- Pomegranate
- Quince
- Raspberries
- Serviceberries
- Strawberries
🌿 Herbs
Browse all 42 herbs you can grow in Maryland
- Angelica
- Anise
- Basil
- Bee Balm
- Borage
- Caraway
- Catnip
- Chamomile
- Chervil
- Chives
- Cilantro
- Comfrey
- Cumin
- Dill
- Echinacea
- Epazote
- Fennel (herb)
- Feverfew
- Garlic Chives
- Horehound
- Hyssop
- Lavender
- Lemon Balm
- Lemon Thyme
- Lemon Verbena
- Lemongrass
- Lovage
- Marjoram
- Mint
- Oregano
- Parsley
- Rosemary
- Rue
- Sage
- Savory
- Sorrel
- Stevia
- Tarragon
- Thai Basil
- Thyme
- Valerian
- Yarrow
Monthly Planting Guide for Maryland
The Gardener's Encyclopedia to Companion Planting
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