Spring Garden Cleanup: 8 Essential Steps for 2026

Why Spring Cleanup Sets the Tone

A thorough spring garden cleanup removes overwintering sites for pests and diseases, improves soil conditions, and gives you a clear canvas for planting. Skipping this step means starting the growing season at a disadvantage.

Step 1: Remove Winter Debris

Clear fallen leaves, dead plant material, and any branches that accumulated over winter. This debris harbors slugs, fungal spores, and insect eggs. However, don't remove everything — leave some leaf litter in ornamental beds for beneficial insects that overwinter in debris.

Step 2: Cut Back Ornamental Grasses

Remove dead grass foliage before new growth emerges. Cut ornamental grasses to 4-6 inches above ground level using hedge shears. Wear gloves — dead grass blades are surprisingly sharp. The cut material makes excellent compost or mulch.

Timing

Wait until you see green growth at the base of the grasses. This confirms the plant survived winter and shows you exactly where to cut. Cutting too early exposes the crown to late frosts.

Step 3: Prune Damaged Perennials

Remove dead or damaged stems from perennial plants. Many perennials (sedum, ornamental grasses, coneflowers) were intentionally left standing over winter for visual interest and wildlife habitat. Now is the time to cut them back to 2-3 inches above ground before new growth obscures the old stems.

Step 4: Weed Early and Often

Spring weeds establish their root systems before your garden plants get going. Pull weeds while the soil is moist and roots come out easily. Focus on removing weeds before they set seed — one season of seed production creates years of weed problems.

Step 5: Test and Amend Soil

Spring is ideal for soil testing. Submit samples to your extension service and apply recommended amendments based on results. Generally, incorporate 2-3 inches of compost into vegetable beds and refresh mulch layers in perennial beds to 2-3 inches deep.

Step 6: Divide Overcrowded Perennials

Spring-blooming perennials that finished flowering can be divided now. Hostas, daylilies, iris, and peonies all benefit from division every 3-5 years. Signs it's time: reduced flowering, dead centers, or plants spreading into neighbors' territory.

Division Tips

• Water the plant the day before dividing
• Use a sharp spade or garden fork to lift the clump
• Separate into sections with 3-5 healthy growth points each
• Replant immediately and water thoroughly

Step 7: Inspect and Repair Garden Infrastructure

Check trellises, fences, raised beds, and irrigation systems for winter damage. Tighten loose boards, repair broken trellis panels, and test irrigation zones before planting season begins. Fixing infrastructure now prevents damage to new plants later.

Step 8: Plan Your Planting Calendar

Based on your area's last frost date, create a planting schedule. Start cold-hardy crops (peas, lettuce, radishes) as soon as soil is workable. Wait for soil to warm to 60°F+ for warm-season crops (tomatoes, peppers, squash).

What Not to Do in Spring Cleanup

• Don't work wet soil: Compacting saturated soil destroys its structure for the entire season
• Don't till aggressively: Deep tilling brings weed seeds to the surface and destroys soil biology
• Don't remove all leaf mulch: Beneficial insects and soil organisms need organic matter
• Don't apply pre-emergent to flower beds: It prevents desirable self-seeding annuals from germinating

The best garden cleanup is done gradually over several weekends rather than one exhausting marathon day. Focus on one area per session and enjoy watching the garden transform.