Berberis rose glow is a delightful, deciduous shrub with masses of pretty pale pink flowers which appear in early summer against a backdrop of small, glossy, dark green leaves. A well-drained soil in sun or partial shade is all that's needed to keep this easy-to-grow plant happy.
Related plant:
Berberis Thunbergii Maria
Related plant:
Berberis Orange Rocket
About soil , it prefers rich, well drained soil, but can also tolerate poorer soils. It is important to ensure that the soil is not too wet, as this can cause the roots to rot. If you are planting in a pot, make sure that the pot has drainage holes to allow excess water to escape.
Similar to other sun-loving plants, berberis rose glow needs at least six hours of direct sunlight per day to maintain its vibrant coloration. If you live in an area with limited sunlight, you can supplement berberis rose glow's needs with artificial light.
The temperature condition of berberis rose glow is warm. It can tolerate some shade, but does best in full sun. It is not too particular about soil type, but does best in well-drained soil. It is a drought-tolerant plant once established.
Ideal humidity condition for this plant is around 40%. It is best to keep the soil moist, but not soggy. If the conditions are too dry, the leaves will start to turn brown and drop off. too much moisture will cause the roots to rot.
For the fertilizer, this family of plant requires a lot of Potash and Phosphorous but little Nitrogen. The rose glow berberis prefers a well drained soil but will grow in most soil types. It is drought tolerant once established. This plant does not like "wet feet" and will not tolerate extended periods of wet soils. It is best to plant on a mound to insure good drainage. If you must plant in an area that does not have good drainage, amend the planting hole with coarse sand or gravel to improve drainage. The root system is very fibrous and does not tap very deeply into the soil so it is best to mulch around the plant to help retain moisture and keep the roots cool.
Pruning is an important part of keeping your Berberis rose glow healthy and looking its best. You'll need to prune away any dead or damaged branches, as well as any branches that are crossing or rubbing against each other. You can also prune to shape the plant or to encourage new growth. Be sure to use sharp, clean pruning shears to avoid damaging the plant.
Propagation is best done in the spring, by taking stem cuttings from the previous year's growth. Cuttings should be taken from young, healthy stems and should be around 10-15cm in length. Place the cuttings in a propagator or covered container filled with moistened perlite or vermiculite. The cuttings should be placed so that the lower leaves are just above the surface of the perlite/vermiculite. Place the propagator in a warm, light position, out of direct sunlight. Keep the perlite/vermiculite moistened, but not waterlogged. After around 8 weeks, the cuttings should have rooted and can be transplanted into pots of compost.
Usually, the plant growth rate is considered to be slow when compared to other plants. However, there are some reports that show that the plant can reach up to 2 feet in height within a single growing season. The plant typically blooms in the summer months.
Common problems for this kind of plant are dehydration, over-exposure to sunlight, and under-fertilization. If any of these problems are left untreated, the plant will eventually die. To prevent these problems, it is important to water the plant regularly, provide it with shade during the hottest hours of the day, and fertilize it with a balanced fertilizer every two weeks.
Source:
Berberis triacanthophora - North Carolina State University
Berberis thunbergii 'Rosy Glow' habit: UIPLANTS
Berberis thunbergii var. atropurpurea - North Carolina State