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Schubert Chokecherry

Fruit
Sow stratified seed in early spring; collect fresh seed in fall
Full sun to part shade

Also known as: Prunus virginiana 'Shubert' · Schubert Chokecherry · Shubert Chokecherry

Good to know

Poisonous — do not eat

Parts of this plant are poisonous to people and pets. Don't eat it, keep it out of reach of children and animals, and wash up after pruning.

When & where

Season
Sow stratified seed in early spring; collect fresh seed in fall
USDA zones
4–9, species dependent
Sun
Full sun to part shade
Start indoors
After stratification, start in deep pots 8–12 weeks before transplant
Direct sow outdoors
Fall sowing works for many species (natural cold stratification over winter)
Days to harvest
3–5 years on grafted stock

Germination

Germination time
20–60 days after stratification
Soil temperature
65–75°F (18–24°C) after cold treatment

Spacing & depth

Sow depth
Stratify the stone 90–120 days, then sow 1–2 in (2.5–5 cm) deep.
Seed spacing
One seed per pot, or 3–4 in (8–10 cm) apart in a stratification flat.
Mature plant spacing
Space to the mature spread — 12–25 ft (3.7–7.6 m)
Row spacing
10–20 ft (3–6 m) between tree rows; 6–8 ft (1.8–2.4 m) between bush/cane rows.

How to plant

Stratify seed as noted. Sow in deep tree pots (tall root trainers) filled with well-drained mix. Keep evenly moist and in bright light after germination. Grow on for 1–2 seasons before planting out to a permanent, well-prepared site with a wide mulch ring.

Pre-sow treatment

Cold stratification

90–120 days cold stratification.

Grower's tip

Purple-leaved cultivar of chokecherry; new growth is green, maturing to deep burgundy.

Woody plant facts

USDA zones
4–9, species dependent
Mature height
12–20 ft (3.7–6 m) pruned · 25–35 ft (7.6–10.7 m) standard
Mature spread
12–25 ft (3.7–7.6 m)
Years to fruit
3–5 years on grafted stock
Chill hours
500–1,000 for most stone fruit
Pollination
Sweet cherries and most plums need a compatible partner; sour cherries and apricots are usually self-fertile.
Rootstock
Mazzard and Gisela for cherries; Myrobalan and Marianna for plums.
Planting depth for seed
Stratify the stone 90–120 days, then sow 1–2 in (2.5–5 cm) deep.
Soil pH
6.0–7.0
Disease & problem notes
Brown rot, bacterial canker and borers. Clear mummies, prune in dry weather, and keep the trunk base clear.

Soil preferences

Soil type

Deep, rich, well-drained soil with high organic matter.

pH range

6.0–6.8 for most; strawberries and blueberries prefer 4.5–6.0.

Amendments

Compost annually; mulch with wood chips for perennial fruits.

Watering

Frequency

1–2 in per week; deeper as plants establish.

Method

Soak the root zone, not the foliage. Drip irrigation is ideal for long-lived plantings.

Over vs. under

Overwatered: fruit split, root rot, mushy fallen fruit. Underwatered: shriveled berries, dropped flowers, sunscald.

Top-water or bottom-water?

Prefers top-watering — Trees are always top-watered — deep slow soak at the drip line, never at the trunk. Bottom-watering only makes sense for nursery seedlings.

Temperature tolerance

Ideal daytime air temp

70–85°F (21–29°C)

Ideal nighttime air temp

55–70°F (13–21°C)

Frost sensitivity

Tropical fruits (passionfruit, pepino, naranjilla) frost-tender. Temperate fruits (pomegranate, fig, sea buckthorn) tolerate hard freezes once established.

Container growing

Container-suitable?

Possible with the right cultivar

Recommended pot size

10+ gal (38 L) for tree fruit; 3–5 gal for berry canes; 12 in deep for strawberries

Notes

Choose dwarf or patio cultivars for containers; overwinter tender types indoors.

Detailed harvesting

Pick fully ripe — fruit sweetens on the plant, not the counter. Test with a gentle tug; ripe fruit releases easily.

Post-harvest storage & preservation

Refrigerate soft fruit unwashed 3–7 days. Freeze on trays, then bag. Dehydrate slices at 135°F. Jam or preserve surplus.

Culinary, medicinal & other uses

Only safe once properly prepared — raw fruit, seeds, leaves and stems of this plant make people sick. Cook or process it before eating, and discard pits, seeds and stems. Fresh eating, jam, wine, syrup, drying. Use imperfect fruit for cooking; keep the best for the table.

Medicinal or traditional uses are shared for interest only — this is not medical advice. Consult a qualified professional before using any plant medicinally.

Seed saving

Pollination

Most perennial fruit are insect-pollinated and often not true-to-type from seed.

Isolation needs

Named cultivars must be propagated by cutting, division, or graft to stay true.

How to save

Rinse seeds from ripe pulp; dry 1–2 weeks. Many need cold stratification before sowing.

Your zone's planting calendar

Pick your USDA hardiness zone and we'll estimate the key dates for schubert chokecherry in your area. These are regional averages — always check your own last-frost forecast before sowing.

From your kitchen — grow schubert chokecherry from what you already have

For fleshy fruits (tomato-family, melons, ground cherries), ferment the seed out. For dry-seeded fruits (roselle, hibiscus family), just let capsules dry on the plant.

  1. 1Fleshy fruit: scoop seeds and pulp into a jar of water; ferment 2–4 days until it molds; rinse, dry.
  2. 2Dry-seeded fruit: let capsules turn brown on the plant, then split and tap seeds out.
  3. 3Perennial fruits (fig, pomegranate, sea buckthorn): far easier from cuttings, division, or suckers than seed.
  4. 4Store all seed cool, dark, and dry in labeled envelopes.

Storage: 3–6 years dry.

My Schubert Chokecherry notes

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