Gardening in April: What To Plant this Month

Gardening in April: What To Plant this Month

It’s go-time in the gardening world here in Delaware! Our counters are filled with seed starts, the weather is crazy and we are anxiously awaiting those warmer temps to get them in the ground. It’s not too late to start some seeds though, so see below for what you should be planting now!

Gardening in Delaware April Schedule

Delaware has 3 gardening zones depending on where you live: 6b, 7a & 7b. Be sure to know which zone you are in so you plant at the right time for your zone.

Help the pollinators for your garden’s success!

Remember, many of our pollinators are still sleeping in our gardens under the debris and leaves from last year until the right temperatures arrive. Hold off on cleaning those garden beds out for a few more weeks to give them a chance to survive and they will reward you later by pollinating all those plant babies! If you do need to get plants in the ground, only disturb the spots where you need to plant and wait to clean up later.

If you are interested in helping the monarchs this year, consider planting milkweed in your garden, which is their primary food source. You can learn more and get free seeds here:

Indoor sowing

If you haven’t already, now is the time to start these seeds indoors or in a greenhouse!

  • Basil
  • Milkweed for the butterflies
  • Flowers for the pollinators
  • Marjoram
  • Savory
  • Collards
  • Celery
  • Fennel
  • Eggplant
  • Cucumbers
  • Tomatoes
  • Ground Cherries
  • Garden huckleberries
  • Peppers
  • Okra
  • Melons
  • Summer and winter squashes

Direct Ground Sowing

These are the seeds you can get in the ground now for a late Spring or early summer harvest.

  • Beets
  • Carrots
  • Arugula
  • Chard
  • Endive
  • Fava bean
  • Kohlrabi
  • Leeks
  • Lettuces
  • Pac Choi
  • Parsnips
  • Peas
  • Beans
  • Potatoes
  • Radishes
  • Rutabaga
  • Radicchio
  • Green onions
  • Sorrel
  • Spinach
  • Turnips
  • Chives
  • Cilantro
  • Fennel
  • Parsley


If you have ordered berry plants or apple trees, they will be arriving soon and need to go in the ground right away to give their roots time to get established before the summer heat arrives. Likewise, these established seedlings can go into the ground. Make sure to watch temps for late Spring frosts and have a plan to shelter your plants if necessary.

  • Artichoke
  • Asparagus
  • Broccoli
  • Cauliflower
  • Cabbage
  • Celery
  • Endive
  • Chard
  • Kale
  • Collards
  • Onions
  • Rhubarb
  • Chives
  • Fennel
  • Horseradish
  • Marjoram
  • Rosemary
  • Sage
  • Thyme

Happy Gardening!

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