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Understanding Apple Seedling Variability from Compost Volunteers

Why Your Seed‑Grown Apples Differ from the Parents

Apples are highly heterozygous; seeds from hybrid varieties (like Golden Delicious × Gravenstein) produce offspring with diverse traits. Your 8 trees showing different fruit colors and sizes is classic seedling variation.

What to Expect

Fruit will be edible but rarely identical to either parent.
Quality ranges from crabapple‑like to surprisingly good dessert apples.
Trees will not “turn into crabapples” unless the rootstock (often crabapple) overtakes the scion.
Continue standard care: water, fertilize with fruit‑tree formula, prune for structure.

Long‑Term Outlook

Seedling apples can become unique, locally adapted varieties. Many heirloom apples originated this way. Keep records; you might name a new cultivar!

Seeding and Propagation: Starting Peach & Cherry Trees from Seed: Realistic Expectations & Step-by-Step Guide; Will Store-Bought Fruit Seeds Produce Fruit?; Propagating Heirloom Cherry Trees from 100-Year-Old Seeds; Fruit Trees from Store-Bought Seeds: Hybrid Reality Check; Propagating Fruit Trees: Why Grafting Beats Cuttings; Growing Pear Trees and Magnolias from Seed: Stratification Tips; Why Apple Trees Fail to Fruit: Nitrogen, Weeds, Frost, and Pollinators; Multi-Fruit Tree Seed Propagation: Universal Cold Stratification Protocol; Growing Apple Trees from Seed in the Philippines: Tropical Challenges; Growing Apple Trees in Central Florida Sand: Low-Chill Varieties

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