Mad About Berries

How To Grow Loganberries In Clay Soil

Loganberries, a delightful hybrid between blackberries and raspberries, are known for their unique flavor, rich color, and excellent nutritional profile. These versatile fruits thrive best in well-drained, fertile soil, with a preference for full sun to partial shade.

A consistent supply of water is essential for healthy growth, along with the use of organic fertilizers to provide essential nutrients. While loganberries can grow in a range of soil types, they can struggle in clay soil.

Published: May 12, 2023.

shovel and clay soil

Why Is Clay Soil Bad For Loganberries

Clay soil is characterized by its heavy, dense nature, which can pose challenges for loganberry cultivation.

Poor drainage, compaction, and limited aeration can lead to root rot, stunted growth, and reduced yield. Loganberries, like most fruiting plants, require well-drained soil to prevent waterlogging and facilitate proper root growth.

Although clay soil may be nutrient-rich, its compact nature makes it difficult for loganberries to access these essential nutrients.

Thus, it's crucial to amend clay soil to create optimal growing conditions for loganberries.

loganberries 1

Growing Loganberries In Heavy Clay Soil

For a gardener to grow loganberries in clay soil, the gardener must amend the soil with plenty of organic matter that will, over time, improve the soil structure. However, there are also methods that will allow the gardener to grow loganberries in the clay soil almost immediately.

  • Shallow Raised Bed (12-16 Inches): To improve drainage and aeration, constructing a shallow raised bed is an excellent solution. The bed should be at least 12 to 16 inches high, with the soil amended down to one foot. Incorporate organic matter such as compost, aged manure, and peat moss to enrich the soil and promote healthy root growth.
  • Tall Raised Bed (2 Feet): Another option is a tall raised bed, which should be approximately 2 feet high. With this method, you don't need to amend the existing clay soil. Instead, fill the raised bed with high-quality potting soil and organic materials, ensuring proper drainage and nutrient availability for your loganberries.
  • Growing In Trenches (20x20 Inches): Digging trenches can also help you grow loganberries in clay soil. Create a 20x20-inch trench and add a layer of pebbles at the bottom for improved drainage. Fill the trench with a mixture of good potting soil, sand, aged manure, peat moss, and other organic matter to provide the ideal environment for your plants.
  • Growing In Individual Holes (2x2x2 Feet): Similar to trenches, you can dig individual holes for each loganberry plant. Make sure the holes are 2x2x2 feet in size, with a layer of pebbles at the bottom for drainage. Fill the holes with a mix of potting soil, sand, aged manure, peat moss, and other organic materials to ensure optimal growth conditions.

holes in clay soil

Regardless of the method, organic material, especially aged manure, manure pellets, worm castings, organic compost, and similar, will seep over time into the rest of the clay soil, improving its structure, while your loganberries will grow healthy and strong in their specially prepared growing spots.

Caring For Loganberries

Once your loganberries are established in their amended clay soil, it's essential to provide proper care.

Ensure they receive adequate sunlight (at least 6 hours per day) and consistent water, especially during dry spells.

Mulching around the plants will help retain moisture and suppress weeds. Also, as the mulch decomposes, it feeds the plants, and helps the soil stay slightly acidic.

straw mulch

Prune and train your loganberries to a trellis or support structure to encourage fruit production and improve air circulation.

Regularly apply organic fertilizers or compost to maintain soil fertility and support healthy growth.

Few Final Words

Growing loganberries in clay soil can be challenging, but with the right amendments and care, it's possible to achieve a bountiful harvest.

Consistent care, including proper watering, mulching, pruning, and fertilizing, will ensure that your plants remain healthy and productive. Also, over time, the entire patch will improve its soil structure, allowing you to grow other plants on previously heavy clay soil.


Clay soil shouldn't deter you from cultivating these delicious and nutritious berries.

With patience and diligence, you'll be well on your way to a thriving loganberry patch, providing you and your family with a delightful and healthy addition to your garden.

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