Growing Navaho Big & Early Blackberries: A Balcony Guide

Growing your own summer fruit brings to mind sprawling, thorny thickets that require massive garden beds. For urban gardeners or those with limited outdoor space, the dream of picking fresh, sun-ripened blackberries often feels out of reach due to the aggressive nature of traditional vines. However, the Navaho® Big & Early is a game-changer. This upright, thornless variety (Rubus fruticosus) is specifically engineered to produce fruits twice the size of standard blackberries while maintaining a compact, vertical habit perfect for balcony gardening.

After our success with container-grown climbing strawberries from the nursery Baldur, we decided to push our 28L pot setup even further. In August 2025, we added six more fruit plants to our collection, with this early-ripening blackberry being a top priority. This guide documents our journey of growing healthy, organic blackberries in a confined space—from the first unboxing to our preparation for the 2026 harvest.

About the Navaho® Big & Early Blackberry Plant

The Navaho® Big & Early is a standout cultivar for "compact" agriculture. Unlike wild blackberries that can become a maintenance nightmare, this variety grows upright and requires very little horizontal room. It is extremely robust, self-pollinating, and is prized for its early harvest window—typically ripening two weeks earlier than other varieties.

Table 1: Statistics for Climbing Blackberry Navaho® Big & Early (Baldur)

Growing heigth	Approx. 180 cm / 71"
Location	Sunny
Distance to other plants	100 to 150 cm
Harvesting time	July to October
Amount of care	Medium
Water needs	Medium
Winter hardy	Yes
Perennial	Yes
Delivery size	2 liter container; 50-70cm length
Fruits grow on	two-year-old branches
Pruning	Remove the two-year-old branches that gave fruits either late autumn (after harvest) or early spring. Leave the new shoots as they will provide fruits in the coming growing season.

Arrival and Container Planting

This marks our second experience with Baldur nursery. Having been pleased with our previous strawberry purchase, we expanded our balcony orchard to include a Glen Coe black raspberry, kiwi, plum, blueberry, Japanese wineberry, and this Navaho blackberry.

The shipping process this time was a bit of a scramble; all six plants arrived in a single box, and some had shifted upside down during the journey from Germany. However, the speed of delivery was impressive—arriving in just 24 hours. Despite the messy packaging, the blackberry arrived on August 28, 2025, measuring a healthy 55cm. We immediately transitioned it into one of our favorite 28L climbing pots with fresh nutrients and deep watering.

Pictures of the climbing blackberry (Navaho® Big & Early) as arrived, and a few moments later we placed them in one of our favorite pots for climbing plants. The plant arrived 28th of August 2025 with a length of 55cm.

Year 0: Establishing the Root System

I’m categorizing the remainder of 2025 as “Year 0.” Since we planted in late August, the primary objective is not fruit, but resilience. The plant needs these few months to establish a strong root system to survive the winter frost. Because the Navaho variety produces fruit on two-year-old wood, the growth we protect now is the foundation for our first harvest. Currently, the plant is supported by a sturdy vertical structure to encourage its naturally upright habit.

Year 1: Expectations for the 2026 Season

As we move into Year 1 (2026), we expect to see significant vertical growth. By early July, the "Big & Early" namesake should prove itself as the first white blossoms transition into oversized, juicy berries. Because this variety can produce fruit until October, we are preparing for a long, staggered harvest. Our main challenge will be managing the nutrient requirements in a 28L pot, as large blackberries are "heavy feeders." We anticipate a high yield that will test the strength of our climbing support!

Culinary Potential: How to Enjoy Your Harvest

Fresh-picked Navaho blackberries are remarkably sweet, making them a perfect "hand-to-mouth" snack right off the balcony. However, their large size and firm texture make them ideal for the kitchen. In future posts, we will be sharing recipes for Blackberry and Basil Infused Water and a Low-Sugar Blackberry Compote for morning yogurt. For a decadent treat, these berries are the perfect acidity level for a Cast-Iron Blackberry Cobbler. If our 2026 harvest is as plentiful as expected, we also plan to provide a guide on Freezing Blackberries to retain their flavor for winter smoothies.

Frequently Asked Questions: Navaho Blackberries

Is the Navaho Big & Early truly thornless? Yes, this variety is 100% thornless, making it safe for families and much easier to prune or harvest on a crowded balcony.

Can I grow Navaho blackberries in a pot? Absolutely. While they can reach 180cm, their upright growth habit makes them one of the best blackberry varieties for 28L to 30L containers.

When should I prune my Navaho blackberry? Pruning should be done after the harvest is finished in late autumn or in early spring. You should remove only the branches that have already produced fruit, as new green shoots will provide the berries for the following year.