Blackberry Obsidian: A High-Yielding Early Season Variety
Rubus fruticosus
Position
- Full sun for best fruit production
- Can tolerate partial shade, but yields may be reduced
- Sheltered position, avoiding strong winds
- Avoid frost-prone areas to protect emerging flowers and fruits
Hardiness
- Hardy down to -15°C (5°F)
Soil Type
- Well-drained fertile soil
- Moisture-retentive but not waterlogged
- Rich in organic matter
- Loamy soil preferred
Soil PH
- Neutral to slightly acidic
Height
- Height: 150-200cm (5-6.5 feet)
- Spread: 200-300cm (6-10 feet), requires training or support
Seasons of Interest
- Flowering: Late spring to early summer (May-June), with clusters of white flowers
- Fruiting: Early to mid-summer (June to July), produces glossy black fruits
- Foliage: Green throughout growing season, turning golden in autumn
- Deciduous, drops leaves in winter
Additional Notes
- Early-fruiting variety, providing one of the first blackberry harvests of the season
- Produces large, firm, glossy black berries with a sweet, tangy flavour
- Vigorous and trailing habit, needing sturdy trellises or wires for training
- Suitable for home growers and small-scale commercial production
- Plant 200-300cm apart for airflow and to minimise disease risk
- Benefits from annual mulching to retain moisture and reduce weeds
- Prune out fruited canes in late winter, tying in new canes for next year’s crop
- Excellent for fresh eating, freezing, baking, and preserves
- Hardy and reliable in the UK climate, even in cooler regions
- High-yielding and productive, ensuring a plentiful summer blackberry supply
Blackberry Oregon Thornless Plants: Everything You Need to Know
Why Grow Blackberry Obsidian?
Blackberry Obsidian is a superior early harvest variety known for its large, firm, and glossy black berries. This high-yielding plant was developed in Oregon and has gained popularity among gardeners for its excellent flavour and strong growth habit. Whether you want to enjoy fresh fruit, freeze for later, or use in baking, Obsidian is an outstanding choice for your garden.
How to Grow Blackberry Obsidian Successfully
Choosing the Best Location
For the best results, grow Blackberry Obsidian in a sunny position with well-drained soil. Good air circulation helps reduce the risk of disease. This variety thrives in nutrient-rich soil and benefits from regular feeding.
Planting Blackberry Obsidian
- Space plants 1.5m apart to allow for healthy growth.
- Support the trailing stems on a trellis or fence for easy maintenance.
- Use well-rotted compost to enrich the soil before planting.
- Water well after planting to help establish strong roots.
Ongoing Care
- Apply mulch to retain moisture and suppress weeds.
- Prune old stems after fruiting to encourage fresh growth.
- Regularly check for pests and use organic controls when necessary.
When and How to Harvest Blackberry Obsidian
Early Harvesting Benefits
Blackberry Obsidian is an early ripening variety, often ready for picking by late June or early July. The condensed season allows for a high yield within a short period.
Picking and Storing Berries
- Harvest when the berries are large, firm, and deep black in colour.
- Store in a cool place or freeze for long-term use.
- Enjoy fresh, in desserts, or as part of homemade preserves.
Protecting Blackberry Obsidian from Pests and Diseases
Common Pests and How to Control Them
- Aphids and beetles: Encourage natural predators to keep populations low.
- Fungal diseases: Ensure good airflow and avoid excessive watering.
- Birds: Use netting to protect ripening fruit from being eaten.
Disease Resistance and Longevity
Obsidian is known for its good disease resistance. With proper care, it remains a productive shrub for many years.
Best Uses for Blackberry Obsidian
Enjoying the Superior Flavour
- Fresh Eating: The berries are juicy, sweet, and full of flavour.
- Baking: Perfect for pies, crumbles, and tarts.
- Preserving: Makes excellent jams and jellies.
- Freezing: Retains quality when stored for later use.
Key Points to Remember:
- Plant in well-drained soil with plenty of sun exposure
- Support trailing stems on a trellis or fence for easy maintenance
- Harvest from late June to early July for a high-yielding crop
- Use organic pest control and prune after fruiting for continued productivity
- Enjoy fresh, frozen, or preserved blackberries throughout the year
By following these simple steps, you can successfully grow Blackberry Obsidian in your garden and enjoy an abundant harvest of delicious fruit!
To see the RHS article please click here
For more information on Fruit for your garden please click here
Frequently Asked Questions
Q: What is the Obsidian blackberry?
A: The Obsidian blackberry is a delicious fruit variety known for its deep black colour and excellent flavour. It was developed in Oregon and is part of the Rubus family, which includes other soft fruit plants like raspberries.
Q: When is the best time to harvest Obsidian blackberries?
A: Obsidian blackberries are typically ready for harvest in July, making them a perfect summer fruit. However, you might also find them producing into autumn, depending on the climate and care given to the bushes.
Q: How large are Obsidian blackberries compared to other varieties?
A: Obsidian blackberries are considered a large variety compared to some smaller options. They tend to be heavy and firm, making them perfect for both eating fresh and using in recipes.
Q: Where can I find Obsidian blackberry plants for my garden?
A: You can discover a huge range of Obsidian blackberry plants at local nurseries or online. Just make sure to look for reputable sources that provide healthy, well-cared-for bushes!
Q: How do I take care of my Obsidian blackberry bushes?
A: Taking care of Obsidian blackberries is pretty straightforward! They need sunny spots, good soil, and regular watering. Pruning them can help with airflow and promote good firmness in the fruit, so don’t skip that step!
Q: What makes Obsidian blackberries stand out in flavour?
A: Obsidian blackberries have a classic, excellent flavour that’s sweet and slightly tart. This makes them a favourite for desserts, jams, and even just snacking on fresh!
Q: Can I grow Obsidian blackberries in the UK?
A: Yes, you can grow Obsidian blackberries in the UK! Just be mindful of the climate; they thrive in sunny spots and need proper care to yield a good crop.
Q: How long have Obsidian blackberries been around?
A: The Obsidian blackberry was released in 2005, but its roots in blackberry development trace back much further. Oregon raspberries and other blackberry varieties have been cultivated since 1913, leading to the creation of this tasty fruit!
Q: Are Obsidian blackberries suitable for freezing?
A: Absolutely! Obsidian blackberries freeze well due to their firm texture. Just make sure to wash and dry them properly before popping them in the freezer to enjoy later!