The Osage Thornless Blackberry is a deciduous/semi-evergreen plant and will go dormant during the winter months. When this plant is ordered during the Fall/Winter expect seasonal foliage decline(discoloration, spots, leaf drop) or the plant to arrive completely dormant.
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What to do when a dormant plant arrives:
- Unpackage on arrival and water
- Your plant will be ready to be planted in the landscape or in a container on arrival, or if you wish you can keep your new plant in its container until spring that is ok too
- If planting in the landscape
- Consider using a root stimulating fertilizer to get your plant working hard establishing its root system during the winter months
- Use a heavy Layer of mulch to protect the unestablished roots from frost
- If planting in the landscape
- Dormant plants do require some watering: once a week should be sufficient
- When Spring arrives and your plant begins showing signs of new growth increase your watering schedule to 2 times every 7 to ten days until established, then water as needed. Apply a slow-release granular fertilizer to give your plant a great start
The Osage Thornless Blackberry is a brand new variety of blackberry added to the DownHome Harvest Edibles Collection! This blackberry is self-fertile and produces round and firm, medium-sized berries. This fruit traditionally begins to ripen in late spring or early summer. In addition, the Osage’s berries are outstandingly flavorful. In fact, they’re the most strongly flavored of the three blackberries in this collection, which also features the Prime-Ark Freedom Thornless Blackberry and Navaho Thornless Blackberry.
The leaves are spear-shaped and grow in groups of three, with deeply serrated edges. This foliage grows rather quickly and is an attractive addition to the landscape in its own right.
The Osage Thornless Blackberry features an upright growth habit that matures to 4-8’ H x 2-3’ W. Therefore, a full-grown specimen produces quite a bounty of berries.
This is a Floricane variety, which means that it fruits on the second year’s growth. For this reason, it’s important not to trim this shrub in early spring. Instead, wait until right after you harvest your berries to prune it.
The Osage Thornless Blackberry tolerates heat and humidity, so it’s ideal for Southern landscapes.
In winter-early spring, this plant ships dormant.
Osage Thornless Blackberry Care
Hardy in USDA Zones 6-10, down to -10°F once established. Furthermore, this is a deciduous plant that goes dormant every winter.
Blackberries need plenty of sunlight to produce fruit, so plant them in Full Sun.
Water 2-3 times per week during the first growing season. During the second growing season, water 1-2 times per week during average weather conditions.
The Osage Thornless Blackberry tolerates most soil types and qualities. It even tolerates clay soil!
Fertilize a couple of times a year starting in early spring with a balanced organic fertilizer.
Spacing Your Osage Thornless Blackberry
Plant Osage Thornless Blackberries 1.5-2 feet apart to create a seamless hedge. However, we recommend spacing them over 3 feet apart to promote ease of access when it comes to picking berries.