When to Plant Potatoes in Maryland
In a typical Maryland location, sow outdoors Mar 6 – Mar 20. Across the state, the outdoor planting window starts as early as Feb 22 in California and as late as Mar 27 in Westminster.
Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.
Potatoes Planting Dates by City
| City | Direct sow |
|---|---|
| Baltimore | Feb 24 – Mar 10 |
| Columbia | Mar 13 – Mar 27 |
| Germantown | Mar 17 – Mar 31 |
| Silver Spring | Mar 13 – Mar 27 |
| Frederick | Mar 5 – Mar 19 |
| Waldorf | Mar 6 – Mar 20 |
| Glen Burnie | Mar 13 – Mar 27 |
| Gaithersburg | Mar 4 – Mar 18 |
| Rockville | Mar 4 – Mar 18 |
| Ellicott City | Mar 13 – Mar 27 |
| Dundalk | Feb 24 – Mar 10 |
| Bethesda | Mar 12 – Mar 26 |
| Bowie | Mar 25 – Apr 8 |
| Towson | Mar 5 – Mar 19 |
| Aspen Hill | Mar 4 – Mar 18 |
| Wheaton | Mar 4 – Mar 18 |
| Bel Air South | Mar 13 – Mar 27 |
| Gwynn Oak | Mar 5 – Mar 19 |
| Potomac | Mar 4 – Mar 18 |
| Severn | Mar 13 – Mar 27 |
| North Bethesda | Mar 4 – Mar 18 |
| Catonsville | Feb 24 – Mar 10 |
| Annapolis | Feb 27 – Mar 13 |
| Hagerstown | Mar 14 – Mar 28 |
| Essex | Feb 24 – Mar 10 |
| Hanover | Mar 13 – Mar 27 |
| Woodlawn | Mar 5 – Mar 19 |
| Severna Park | Feb 27 – Mar 13 |
| Odenton | Mar 13 – Mar 27 |
| Saint Charles | Mar 6 – Mar 20 |
Showing the 30 most populous of 151 Maryland cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Maryland cities.
Frequently Asked Questions
When should I plant potatoes in Maryland?
In a typical Maryland location, sow outdoors Mar 6 – Mar 20. Across the state, the outdoor planting window starts as early as Feb 22 in California and as late as Mar 27 in Westminster.
When is the last frost in Maryland?
The average last spring frost in Maryland ranges from March 22 in California to April 24 in Westminster, based on NOAA 1991–2020 climate normals.
How long do potatoes take to grow?
Potatoes typically take 70–120 days from planting to harvest. Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.
Other Crops in Maryland
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant potatoes in other states