Garden To-Do List Late Winter to Early Spring

Garden To-Do List Late Winter to Early Spring

Garden | Seasonal Garden To Do Lists

How to Prep Your Garden for Spring & Start the Growing Season Strong

Late winter into early spring is one of the most important times of the year for garden prep. While your landscape may still look quiet, this dormant season is the perfect opportunity to set your home garden up for a healthy, productive growing season.

If you’re wondering how to prep for spring, here’s your homeowner-friendly checklist.

1. Prune Trees and Shrubs During the Dormant Season

Late winter is one of the best times of the year to prune trees and prune shrubs. In particular, this is a great time to prune deciduous trees and shrubs that do not bloom in early spring.

Also, when plants are still in their dormant season, it’s easier to see the branching structure. Therefore, you can make clean, intentional pruning cuts before flower buds begin to swell.

Best Candidates for Winter or Early Spring Pruning:

  • Shade Trees
  • Fruit trees
  • Many deciduous trees and shrubs
  • Some evergreen trees
a hand holding Fiskars pruners snipping a branch from a tree in a garden

Avoid Pruning Now:

Early spring bloomers like forsythia, lilac, and azalea should be pruned after flowering. Otherwise, you risk removing dormant flower buds and reducing blooms.

Pruning Tips for Homeowners:

  • Start by removing dead wood, damaged, or diseased branches.
  • Next, thin crowded or crossing branches.
  • Make clean pruning cuts just outside the branch collar.
  • Also, avoid removing more than 1/3 of the plant at one time.
  • Clean tools between plants using diluted rubbing alcohol.

Overall, removing dead or weak growth improves air circulation, strengthens structure, and encourages healthier growth once the growing conditions improve.

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2. Start Seeds Indoors for Cool Weather Garden Vegetables

Late winter is also the time to begin planning your vegetable gardening season. Starting seeds indoors allows you to get a jumpstart before outdoor planting begins.

In Eastern Pennsylvania, many cool weather vegetables can be planted outdoors 4–6 weeks before the average last frost (typically late April in the Philadelphia region).

Cool Weather Crops to Start Now:

  • Onions
  • Spinach
  • Peas
  • Kale
  • Broccoli
  • Cabbage

Therefore, if you want to grow vegetables like tomatoes, peppers, or eggplant, you’ll need to start seeds indoors even earlier since they require a longer growing season.

Always check your seed packets for recommended sowing times.

What You’ll Need:

  • High-quality Seeds
  • Seed starting mix
  • Seed trays or kits
  • Grow lights
  • Plant labels
a woman planting garden seeds with Espoma Organic Potting Mix, a grow light, and Earth Science brand seeds.

    Additionally, starting seeds indoors gives you stronger transplants, better growing conditions control, and an earlier harvest for your home garden.

    If you’re new to vegetable gardening, explore more resources on our blog:

    👉 Read: Beginner’s Guide to Vegetable Gardening

    3. Apply Horticultural Oil for Early Pest Control

    Late winter or early spring is prime time for preventative pest control using horticultural oil.

    During the dormant season, many insects overwinter as eggs or larvae on trees and shrubs. Applying horticultural oil helps suffocate pests before they emerge and become active during the growing season.

    What Horticultural Oil Controls:

    • Scale insects
    • Mites
    • Aphid eggs
    • Certain overwintering pests

    Backyard orchardists and organic gardeners often use horticultural oil on fruit trees. This helps reduce later-season pest pressure.

    a person measuring out horticultural oil to use with a sprayer in their garden

    How to Apply:

    • First, mix according to label instructions
    • Then, spray thoroughly, covering trunks, stems, branches, and crevices
    • Spray on a calm day above 40°F
    • Ensure no rain or freezing temperatures are expected within 24 hours

    Modern horticultural oil formulations are lightweight and safe for use on edibles when applied properly.

    Be sure to read all directions before applying.

    4. Prepare Garden Beds for the Growing Season

    Even if the soil is still cool, you can begin preparing your garden beds for spring planting.

    a person spreading bumper crop into their garden bed

    Early Spring Garden Prep Checklist:

    • Remove dead plant material
    • Clear out debris
    • Test soil if needed
    • Add compost or soil amendments
    • Edge beds for a clean look

    This is also a great time to assess trees and shrubs. Take this time to evaluate growing conditions and plan layout changes for the coming season.

    Healthy soil is the foundation of successful vegetable gardening and ornamental gardening alike.

    Get Ready for the Growing Season

    Late winter and early spring are transitional times of the year — but they’re also some of the most productive for proactive homeowners.

    By pruning trees and shrubs, starting seeds indoors, applying horticultural oil, and preparing garden beds, you’re setting your home garden up for success all season long.

    Our team is here to help you grow vegetables, protect your fruit trees, and prepare your landscape for a beautiful season ahead.

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    Need some extra help planning your landscape or vegetable garden this year?

    Schedule your 90 minute one-on-one personalized Garden Consultation Session with Gasper Professional Landscape Designer, Jeannie Sachs.

    She will evaluate your existing space, make expert recommendations, and show you how to create your own backyard oasis!
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