Zmeur de vara performant - Rubus idaeus 'Sanibelle' (cultura biologica)

Rubus idaeus 'Sanibelle', also known as "Sanibelle raspberry" or Sanibelle®, is a summer raspberry cultivar (non-remontant) from the Rosaceae family, developed by Lubera and exclusively introduced by this company. It is renowned for its large, sweet, dark red fruits and its exceptional resistance to Phytophthora (root rot), making it ideal for heavier or moist soils. This variety is perfect for gardens, farms, or containers, offering a generous harvest and superior quality fruits.

Appearance of leaves, flowers, and fruits

• Leaves: The leaves are pinnate, composed of 3-7 leaflets, ranging from light to medium green, with serrated edges, measuring 3-10 cm. They are arranged alternately on the stems, with a slightly rough texture, forming a healthy, disease-resistant foliage.
• Flowers: The flowers are small, white, with 5 petals, slightly pinkish, grouped in racemes, appearing from May to July. They are self-fertile, attracting bees and bumblebees, and contribute to effective pollination.
• Fruits: The fruits are large, conical, from dark to medium red, weighing about 10 g. They have firm, juicy pulp with a sweet, aromatic taste, ideal for fresh consumption, jams, juices, freezing, or desserts. The harvest begins in June and continues until August, with fruits produced on biennial stems.

Growth characteristics

• Height and width: Grows up to 1.2-1.6 meters tall and 0.8-1.2 meters wide, with an upright habit, slightly arching under the weight of the fruits. It is compact, suitable for small spaces.
• Vigor: Moderately fast growth (40-120 cm/year), with reddish-brown stems, slightly thorny (small, non-aggressive thorns). Produces suckers, which can be controlled with root barriers.
• Type: Deciduous, perennial shrub with shallow roots, fruiting on two-year-old stems (summer raspberry).

Growing conditions

• Exposure: Prefers full sun (6+ hours/day) for sweet and abundant fruits, but tolerates partial shade, where production may be lower. Sunlight intensifies the fruit’s flavor.
• Soil: Requires a fertile, well-drained soil, slightly acidic to neutral (pH 5.5-6.5), rich in organic matter. Resistance to Phytophthora allows cultivation in heavier or moist soils, but drainage remains essential.
• Watering: Water regularly, keeping the soil moist but allowing the surface to dry between waterings. In containers, water every 7-10 days, more often during warm periods.
• Temperature: Hardy in zones 4-9 (down to -30°C), suitable for temperate climates, including Romania. Mulch the roots in winter in colder areas.

Care and resistance

• Resistance: Exceptionally resistant to Phytophthora and other stem diseases due to rigorous selection. Not resistant to deer or rabbits, which may eat the leaves. Attracts pollinators such as bees and bumblebees.
• Fertilization: Apply a balanced fertilizer (e.g., 10-10-10) in March-April, followed by a potassium-rich fertilizer (e.g., 5-10-20) during flowering. Use slow-release fertilizers in spring for steady nutrition.
• Pruning: Cut stems that have fruited at 5-10 cm from the ground after harvest (autumn or winter), as fruits appear on biennial stems. Keep 6-8 new stems per plant for the next harvest. Remove unwanted suckers.
• Pests and diseases: Rarely affected but may attract mites, aphids, or leaf beetles. Inspect regularly and use insecticidal soap. Resistance to Phytophthora reduces the risk of root rot.
• Propagation: Propagated by suckers or root cuttings in spring.
• Support: Requires a trellis or support wires to keep stems orderly and facilitate harvesting.

Usage

Rubus idaeus 'Sanibelle' is ideal for fruit gardens, vegetable plots, containers, or fruit-bearing hedges. Its large, sweet fruits are excellent for fresh eating, jams, juices, desserts, or freezing (keeps well in the fridge for 2-3 days). It pairs well with other berries, such as blackberries or remontant raspberries like 'Autumn First', for a productive corner. Suitable for amateur gardeners or small farms due to its simple care and resistance to harsh conditions.

Origin

Developed by Lubera and selected in Weihenstephan (Germany), 'Sanibelle' is a modern summer raspberry introduced for its large fruits, excellent taste, and resistance to Phytophthora. Its name reflects the plant’s health (“sani-”) and beauty (“belle”), being a benchmark variety for organic cultivation.

Pot diameter: 13 cm
Height including pot: approx. 35 cm

During the cold season, plants are pruned and leafless.