Blackberry ’Thornfree’ (Rubus fruticosus ’Thornfree’)
General description: American variety of blackberries, fast growing. Reaches up to approx. 2 m in height.
Variety weakly resistant to frost.
Fruit: tasty, sweet, oblong in shape.
The fruits are considered to be healing, they are among others expectorant and cleansing.
Maturing: starts in July and ends in October.
Flowers: white flowers appearing in June.
Annual growth 0.5-1.2 m.
Requirements / Cultivation: a sunny place, grows on every soil, but to obtain a larger yield, it is recommended to plant on slightly acidic soils, moderately moist.
Blackberry fruit appear on two-year-old shoots.
The plant should be planted with supports.
Cutting: in summer, we trim the tops of one-year old shoots.
In the early spring, we cut the shrub up to a height of 1.6 m, while we prune the side shoots up to 30 cm in length.
In the autumn, we cut the shoots above the ground, leaving only the six strongest shoots in the spring.