Planting Calendar for Marlow, OK

On average, your last spring frost occurs on April 1 (at DUNCAN, OK climate station).
Crop Based on Frost Dates   Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
Celery Jan 21-Feb 4
Jan 24-Feb 4
Apr 8-22
Apr 22
N/A
Eggplants Jan 21-Feb 4
Jan 24-Feb 4
Apr 15-May 6
Apr 22-May 6
N/A
Oregano Jan 21-Feb 18
Jan 24-Feb 9
Apr 1-22
Apr 1- 7, Apr 22
N/A
Thyme Jan 21-Feb 18
Jan 24-Feb 9
Apr 1-22
Apr 1- 7, Apr 22
N/A
Bell Peppers Jan 21-Feb 4
Jan 24-Feb 4
Apr 15-May 6
Apr 22-May 6
N/A
Rosemary Jan 21-Feb 4
Jan 24-Feb 4
Apr 8-29
Apr 22-29
N/A
Basil Feb 4-18
Feb 4- 9
Apr 1-22
Apr 1- 7, Apr 22
N/A
RadishesN/AN/A Feb 4-25
Feb 10-22
Sage Feb 4-18
Feb 4- 9
Apr 1-15
Apr 1- 7
N/A
Tomatoes Feb 4-18
Feb 4- 9
Apr 8-29
Apr 22-29
N/A
Cabbage Feb 4-18
Feb 4- 9
Mar 3-18
Mar 3- 9
N/A
Kale Feb 18-Mar 3
Feb 23-Mar 3
Mar 3-25
Mar 3- 9, Mar 24-25
N/A
PeasN/AN/A Feb 18-Mar 11
Feb 23-Mar 9
SpinachN/AN/A Feb 18-Mar 11
Feb 23-Mar 9
Swiss Chard Feb 18-Mar 3
Feb 23-Mar 3
Mar 11-18
N/A
Lettuce Feb 18-Mar 3
Feb 23-Mar 3
Mar 18-Apr 15
Mar 24-Apr 7
N/A
Cauliflower Feb 18-Mar 3
Feb 23-Mar 3
Mar 3-18
Mar 3- 9
N/A
Broccoli Feb 18-Mar 3
Feb 23-Mar 3
Mar 11-Apr 1
Mar 24-Apr 1
N/A
Brussels Sprouts Feb 18-Mar 3
Feb 23-Mar 3
Mar 3-25
Mar 3- 9, Mar 24-25
N/A
CarrotsN/AN/A Feb 25-Mar 11
Mar 10-11
DillN/AN/A Feb 25-Mar 11
Feb 25-Mar 9
Cantaloupes Mar 3-11
Mar 3- 9
Apr 15-May 6
Apr 22-May 6
N/A
Squash (Zucchini) Mar 3-18
Mar 3- 9
Apr 15-May 6
Apr 22-May 6
N/A
Sweet Potatoes Mar 3-11
Mar 10-11
Apr 15-May 6
Apr 15-21
N/A
Watermelons Mar 3-11
Mar 3- 9
Apr 15-May 6
Apr 22-May 6
N/A
ChivesN/AN/A Mar 3-11
Mar 3- 9
TurnipsN/AN/A Mar 3-25
Mar 10-23
Pumpkins Mar 3-18
Mar 3- 9
Apr 15-May 6
Apr 22-May 6
N/A
Cucumbers Mar 3-11
Mar 3- 9
Apr 15-May 6
Apr 22-May 6
N/A
OnionsN/AN/A Mar 3-25
Mar 10-23
ParsleyN/AN/A Mar 3-18
Mar 3- 9
ParsnipsN/AN/A Mar 11-Apr 1
Mar 11-23
BeetsN/AN/A Mar 18-Apr 8
Mar 18-23, Apr 8
PotatoesN/AN/A Mar 25-Apr 15
Apr 8-15
Cilantro (Coriander)N/AN/A Apr 1-15
Apr 1- 7
CornN/AN/A Apr 1-15
Apr 1- 7
Green BeansN/AN/A Apr 8-29
Apr 22-29
OkraN/AN/A Apr 15-29
Apr 22-29

Find the best dates for planting vegetables and fruit in your garden! Our free planting calendar calculates the best time to start seeds indoors and outdoors, as well as when to plant young plants outside.

How to Use the Planting Calendar

Simply put, a planting calendar is a guide that tells you the best time to start planting your garden. Most planting calendars are based on frost dates, which dictate when you should start seeds and when it's safe to plant outdoors in your area. Our planting calendar is customized to your location in order to give you the most accurate information possible.

On the planting calendar below, please note:

  • The Frost Dates indicate the best planting dates based on your local average frost dates. Average frost dates are based on historical weather data and are the planting guideline used by most gardeners.
  • The Moon Dates indicate the best planting dates based on your local frost dates and Moon phases. Planting by the Moon is considered a more traditional technique.
  • The Plant Seedlings or Transplants dates indicate the best time to plant young plants outdoors. This includes plants grown from seed at home and plants bought from a nursery. Although frost dates are a good way to know approximately when to start gardening, always check a local forecast before planting outdoors!
  • When no dates ("N/A") appear in the chart, that starting method is typically not recommended for that particular plant, although it likely still possible. See each plant's Growing Guide for more specific information. Some crops do best when started directly in the garden, while others are best started indoors and transplanted outdoors later on. Your climate and the length of your growing season are big factors in determining what to start indoors and outdoors.

To plan your garden more accurately in the future, keep a record of your garden's conditions each year, including frost dates and seed-starting dates!