Elderberry seeds come from shrubs known for fragrant white flowers and dark berries used in syrups/jams, requiring specific warm/cold treatments (stratification) to germinate, as untreated seeds stay dormant; they grow into fast-spreading bushes with medicinal/ornamental value, but seeds, stems, leaves, and roots contain toxins, so only ripe, cooked berries are safe. 

Type: Hardy, deciduous, multi-stemmed shrubs/small trees.

Flowers: Tiny, fragrant, white/cream, in large, flat-topped clusters (umbels) in spring/early summer.

Fruit: Clusters of dark purple-black berries (or red, depending on variety) in late summer, edible when cooked.

Size: Typically 5-12 feet tall, can form colonies by suckering.

Habitat: Prefers moist soils, found in woodlands, streambanks, roadsides. 

Appearance: Very small, dark seeds.

Dormancy: Seeds have deep dormancy and need specific pretreatment (stratification) to sprout.

Treatment: Requires a warm period (60 days) followed by a long, cold, moist period (150 days), mimicking winter conditions.

Planting: Sow shallowly (just under surface), keep moist; usually takes 1-3 years to establish from seed.

Note: Growing from cuttings is often faster and more predictable than from seed. 

Uses & Caution

Culinary: Flowers for cordials; cooked berries for syrups, jams, jellies, wines.

Wildlife: Flowers attract pollinators; berries feed birds.

Medicinal: Berries used in immune-supportive syrups.

TOXICITY: Seeds, leaves, stems, and roots contain cyanide-inducing glycosides; must be cooked to be safe. 

Mulberry seeds are tiny, typically dark, and require specific pretreatment (soaking, then cold stratification) to germinate, producing fast-growing trees with sweet, edible berries (white, red, or black) and leaves used for tea or fodder, though they need care as they can hybridize with native species and their milky sap can be mildly toxic if ingested.

Size: Very small.

Appearance: Varies by type (e.g., white, red).

Pretreatment: Soak in water for days (changing water daily), then cold stratify (moist chilling) for months (e.g., 90-120 days) before sowing.

Sowing: Surface sow after stratification in a peat/perlite mix, keeping moist.

Germination: Can take weeks to months after proper stratification. 

White Mulberry (Morus alba): Fast-growing, sweet, pinkish-white to lavender berries; leaves are silk-worm food.

Red Mulberry (Morus rubra): Native, heart-shaped leaves, dark berries, sweeter than white.

Fruit: Sweet, oblong, stain-free (white), used fresh or for jams/drying; unripe fruit causes issues.

Leaves/Sap: Edible (tea), but the milky sap is mildly toxic. 

Growing Notes

Hardiness: Varies by type (Zones 4-8 common).

Sun/Soil: Full sun, prefers moist, humus-rich soil but adaptable.

Pollen: Male trees produce pollen, causing allergy issues; female trees absorb pollen, making them allergy-friendly.