How to Grow Blackdown Currant

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Blackdown Currant

Ribes nigrum 'Blackdown'

shrub

Blackdown is a high-yielding blackcurrant cultivar known for its exceptional fruit quality, larger berries, and disease resistance. This deciduous shrub produces abundant clusters of dark purple to black berries with a distinctive musky flavor prized for jams, juices, and culinary uses. It's a vigorous grower that reaches 4-6 feet in height and width.

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Example Blackdown Currant timeline · Pittsburgh, PA (Zone 6b)

Plant Blackdown Currant
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Blackdown Currant
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Blackdown Currant dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun, 6-8 hours daily; tolerates partial shade but produces better yields in full sun

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Water: Keep soil consistently moist but not waterlogged; provide 1-1.5 inches of water per week during growing season and fruiting; increase watering during dry spells

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Spacing: 48 inches

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Days to maturity: 2-3 years before first significant harvest; full productivity by year 4-5

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Planting depth: Plant bare-root or container-grown canes at same depth as previously grown; set 2-3 inches deeper than soil line to encourage basal shoots

Soil

Type: Well-draining loamy soil with organic matter

pH: 6.0-6.8

Amendments:

Compost or well-rotted manure Peat moss or coco coir Balanced fertilizer (10-10-10) Mulch for moisture retention

Growing Zones

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Thrives in zones 3-8, with best performance in zones 4-7

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a

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Growth Stages

Establishment (Year 1)

First 12 months

Young canes develop multiple lateral shoots; plant is focusing energy on root and branch development rather than fruiting

Water regularly; remove any flower buds to redirect energy to growth; apply balanced fertilizer monthly; mulch well; stake if needed for support

Development (Years 2-3)

12-24 months

Shrub fills out with dense woody growth; begins producing flowers and small fruit crops; canes mature and thicken

Light pruning to shape; allow some fruiting; continue regular watering; apply slow-release fertilizer in spring; remove diseased or weak wood

Flowering

3-4 weeks

Drooping clusters of small greenish flowers appear on one-year-old and older wood in spring (April-May); flowers are fragrant and bee-pollinated

Do not prune during flowering; ensure adequate water; maintain consistent moisture for good fruit set; support branches if laden with flowers

Fruiting & Maturation

6-8 weeks

Green berries develop and gradually darken to deep black; berries grow in compact clusters; reach peak sweetness and size in mid-summer (June-July)

Maintain consistent watering; apply balanced fertilizer; thin crowded branches for air circulation and pest prevention; protect from birds with netting if needed; monitor for pests

Harvest

2-4 weeks picking period

Berries are fully black, slightly soft, and detach easily from stems when ripe; peak harvest window is typically mid-July to early August

Pick berries when fully ripe for best flavor; harvest in cool morning hours; prune out old, unproductive canes after harvest; deadhead spent flower clusters; prepare for dormancy

Companion Planting

Plan your garden →

Plant with:

Gooseberry Raspberry Blueberry Borage Marigold Chives Dill Mint

Avoid planting near:

White pine (Ribes species are alternate hosts for white pine blister rust) Currants and gooseberries with different fruiting times (can complicate harvest) Plants requiring very dry conditions

Common Pests

Spray with insecticidal soap or neem oil in early spring before buds break; strong water spray to dislodge; encourage natural predators like ladybugs
Handpick affected leaves; apply spinosad or pyrethrin spray; prune out heavily infested shoots; maintain good sanitation
Increase humidity with regular misting; spray with neem oil or miticide; remove heavily infested leaves; ensure adequate water
Prune out affected canes below point of damage; apply pheromone traps; maintain plant vigor; remove deadwood
Use bird netting over fruiting plants; hang reflective tape or decoys; plant extra currants as sacrifice crop

Uses

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Jam, Jelly & Preserves

Culinary

Blackcurrants are traditionally used for making rich, deeply flavored jams and jellies due to their high pectin content and distinctive musky-sweet taste. Blackdown's larger berries and excellent flavor make it ideal for premium homemade preserves. [source]

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Juice & Beverages

Culinary

Fresh blackcurrant juice is prized in European and Asian cuisines for its intense flavor and dark color. Blackdown berries make flavorful cordials, syrups, and juice concentrates that can be diluted with water or used in cocktails. [source]

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Antioxidant & Immune Support

Medicinal

Blackcurrants are exceptionally high in vitamin C, anthocyanins, and other polyphenolic compounds that support immune function and have anti-inflammatory properties. Traditional use includes remedies for colds, sore throats, and general wellness. [source]

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Baking & Desserts

Culinary

Blackcurrants add color, flavor, and tartness to muffins, pies, cheesecakes, and other baked goods. Blackdown's abundant yields make it practical for regular baking projects and dessert preparation. [source]

🦋

Pollinator & Bird Habitat

Wildlife

Blackcurrant flowers are excellent nectar and pollen sources for bees and other pollinators in spring. Ripe berries attract birds and wildlife, supporting ecosystem health while providing natural pest control. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Blackdown currants ripen mid-July through early August. Pick berries when fully black and slightly yielding to gentle pressure—they should detach easily from the stem. Harvest in cool morning hours for best quality. Entire clusters can be harvested together by cutting with pruners, or individual berries picked by hand. Peak flavor occurs 2-3 days after full color develops. Refrigerate harvested berries and use within 1-2 weeks, or freeze for longer storage (up to 12 months).

Fun Facts

🌱 Blackcurrants were banned in the United States from 1911 to 2003 because the Ribes genus serves as an alternate host for white pine blister rust, a disease devastating to commercial pine plantations. This ban was lifted for most states, though some restrictions remain in certain regions.
🌱 Blackcurrants contain nearly three times more vitamin C than oranges and four times more antioxidants than blueberries, making them one of the most nutrient-dense berries available.
🌱 The 'Blackdown' cultivar was developed in the UK and is particularly valued in European and Commonwealth countries for its superior flavor profile and disease resistance compared to older blackcurrant varieties.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Cultivar Deadhead Full Sun Mulch Partial Shade

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