Before you plant.

Release the legacy trees.

Find every surviving oak or hickory on your property over eight to ten inches in diameter. These are your legacy trees — infrastructure that took decades to build.

Release them from competition by treating the red maple, beech sprouts, and striped maple crowding their crowns. This single action accelerates their growth, increases acorn production, and improves seed rain across your whole property.

USFS Silvics — Quercus rubra →

The cheapest way to add oaks.

Collect red and white oak acorns from your legacy trees in September–October and plant them immediately. A formal meta-analysis confirmed direct seeding costs roughly one-third of transplanting seedlings per established tree.

Löf et al., 2019 · Forest Ecology and Management →

How to direct-seed

1. Collect acorns in Sept–Oct when they fall naturally.
2. Discard any that float (hollow or infected).
3. Plant immediately — red oaks must be planted same season; white oaks may germinate within days of dropping.
4. Plant at 2–3× target density to offset rodent losses (~35% germination expected).
5. Push each acorn 1–2 inches into the soil, tip up.
6. Mark locations with small stakes.

Black knot on black cherry.

Apiosporina morbosa is a chronic native disease that forms hard, jet-black warty growths on branches, girdles the wood above each knot, and progressively kills the tree limb by limb. It spreads every spring from wild chokecherry and pin cherry throughout the landscape.

Black cherry remains one of the most ecologically valuable trees you can plant — 450+ moth and butterfly species depend on it — but any new planting must be preceded by a survey and management of existing infected trees.

Any tree with >50% crown infection should be removed. Prune infected wood 6–8 inches below the visible margin. Remove all pruned material from the property. Tallamy & Shropshire · 2009

Identification

PSU Extension · Black knot →

Don't import jumping worms.

Litter-dwelling earthworms from East Asia. First confirmed in PA in 2017; now spreading rapidly. They consume the entire duff and leaf-litter layer in a single season, converting it into nutrient-poor granular castings — and where they establish, small tree seedlings and the herbaceous understory cannot germinate or persist.

There is no effective control once they're established. Prevention is the only strategy.

Prevention

• Do not import soil, mulch, compost, or potted plants from unknown sources
• Prefer fresh arborist chip drops (low worm survival) over aged composted leaf mulch
• Inspect bare-root seedling roots before planting; reject any with visible activity
• Survey the property each August–September for the diagnostic granular casting texture
• Clean tires, shovels, and tools when moving between infested and clean zones

PSU Extension — Asian Jumping Worms →

Spongy moth — northeastern PA continues at elevated risk.

After the 2021–2024 outbreak, statewide spongy moth populations are crashing. DCNR has identified northeastern Pennsylvania as a continuing concern based on fall 2025 egg-mass surveys — even as treatment acres drop from 75,000 in 2024 to ~3,100 in 2026.

Spongy moth preferentially defoliates oaks — exactly the species this restoration plants most heavily. Two consecutive defoliation years can kill mature oaks and severely stress young plantings. Add an annual late-winter or early-spring egg-mass survey to the same property walk that maps seedlings and snags.

Action threshold is roughly 250 egg masses per acre. At or above, consider Btk (Bacillus thuringiensis kurstaki) treatment in late April–mid May, two applications 7–10 days apart. Btk is the most ecologically selective option but kills all Lepidoptera caterpillars in the spray zone — a real tradeoff against the oak-Lepidoptera value at the core of this restoration.

PA DCNR — Spongy Moth → · PSU Extension prep guide →

Snags and coarse woody debris.

NRCS guidance: maintain 3–10 snags per acre averaged over ten acres, with diverse size and decay classes. Undisturbed eastern forests historically held 10–18 snags per acre and 50–140 down logs per acre.

Size matters: ≥12 inch DBH for general cavity-nesters (chickadees, nuthatches, screech owls, wood ducks); ≥25 inch DBH for pileated woodpeckers and Indiana bats.

Beech Leaf Disease creates this inventory automatically. Standing dead beech becomes cavity habitat within 3–5 years, woodpecker foraging substrate, and roost potential under loose bark. Retain BLD-killed beech unless it threatens structures, roads, or planted seedlings. Where you must fell a dead tree for safety, leave the trunk where it falls as coarse woody debris — don't remove it from the site.

Pile slash from invasive removal and crop tree release into 6×6×4 ft brush piles on-site rather than chipping. Brush piles are immediate habitat for rabbits, songbirds, salamanders, and snakes, and decompose into CWD over 5–15 years.

NRCS — Snags, Den Trees & CWD →