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Prunus Domestica 'Reine-Claude d'Althan 23cm

Growing Prunus domestica ‘Reine-Claude d’Althan,’ a variety of European plum, involves providing the right conditions for these fruit-bearing trees. Here’s a guide to help you grow ‘Reine-Claude d’Althan’ Plum successfully:

1. Site Selection: Choose a location with full sunlight exposure. Plums thrive in at least 6-8 hours of direct sunlight daily. Ensure good air circulation around the tree.

2. Soil Preparation: Plant ‘Reine-Claude d’Althan’ Plums in well-draining soil with a slightly acidic to neutral pH (around 6.0 to 7.0). Incorporate organic matter like compost into the soil to improve fertility.

3. Planting: Plant in late fall to early spring when the tree is dormant. Dig a hole large enough to accommodate the root system without bending or crowding.

4. Watering: Provide regular and consistent watering, especially during dry spells. Water deeply to encourage a strong root system. Avoid waterlogged conditions.

5. Fertilizing: Apply a balanced fertilizer in spring before new growth starts. Follow the package instructions for the recommended dosage.
Additional applications of fertilizer in late spring and early summer may be beneficial.

6. Mulching: Apply a layer of organic mulch around the base of the tree to retain moisture, suppress weeds, and regulate soil temperature.

7. Pruning: Prune in late winter or early spring to shape the tree, remove dead or crowded branches, and encourage an open canopy. Thin out excess fruit when they are still small to promote larger and healthier plums.

8. Thinning: Thin out excess fruit when they are still small to avoid overcrowding. This helps promote larger and healthier plums.

9. Support: Young trees may benefit from staking for support until they establish a strong root system.

10. Harvesting: Harvest plums when they are fully ripe. The fruit should have vibrant color, a slight give to gentle pressure, and a sweet fragrance.
Plums can be picked slightly underripe and allowed to ripen indoors.

11. Pest and Disease Control: Monitor for common plum pests such as aphids, plum curculio, or brown rot. Treat with insecticidal soap or appropriate insecticides as needed. Keep an eye out for diseases like black knot or bacterial spot. Apply fungicides or other preventive measures as necessary.

12. Winter Care: Provide winter protection in colder climates by mulching the base of the tree and wrapping the trunk with burlap to prevent sunscald. Prune out any dead or diseased wood in late winter.

Remember to tailor your care routine based on your local climate conditions and the specific needs of ‘Reine-Claude d’Althan’ Plum. Regular monitoring and timely care will contribute to a healthy and productive plum tree.