Aucuba japonica rozannie is a low-maintenance, shade-loving shrub that is perfect for gardeners who want to add a touch of color to their landscape without spending a lot of time or money on upkeep. This tough little plant can tolerate a wide range of conditions, from full sun to deep shade, and is resistant to deer, drought, and most pests and diseases. Although it is not a fast grower, aucuba japonica rozannie can reach up to 6 feet tall and wide, making it a good choice for filling in empty spaces in the garden. Its glossy green leaves are adorned with splashes of yellow, red, or orange, and its small, red berries are a favorite of birds.
Related plant:
Aucuba Japonica Crotonifolia
Related plant:
Aucuba Crotonifolia
About soil condition, Aucuba japonica 'Rozannie' prefers humus-rich, moist, but well-drained soil in partial to full shade, but it is quite tolerant of sun or shade, and any reasonable soil except very wet or dry ones. It also tolerates urban pollution.
Just like other Aucuba species, Aucuba japonica 'Rozannie' prefers full sun to partial shade in order to prevent its leaves from scorching. It is best to plant this shrub in an area of the garden that receives morning sun and afternoon shade, or filtered sun throughout the day. If possible, protect it from hot afternoon sun, especially in the summer months.
The temperature condition of Aucuba japonica 'Rozannie' is ideal for growing in slightly warmer areas that experience little to no frost. This tough shrub can also withstand brief periods of freezing weather and still maintain its beautiful foliage. However, prolonged exposure to freezing temperatures can damage the leaves and cause them to drop off. When grown in cooler climates, it is important to provide some protection from the cold, such as planting it in a sheltered location or using a burlap wrap.
Ideal humidity condition for this plant is around 50%. If the humidity drops below 40%, the leaves will start to turn brown and drop off. If the humidity is too high, around 60-70%, the leaves will start to turn yellow and drop off.
Mentioning fertilizer, this kind of plant need acidic soil to grow well. In order to provide the necessary environment, you can use some organic matter such as pine needles or peat moss. After that, pour water into the soil and mix it well. It is also necessary to provide good drainage for the plant. For the root, it is important to keep the root ball moist but not soggy.
Pruning is an important part of maintaining your aucuba japonica rozannie. Pruning helps to promote new growth, and can also help to control the shape and size of the plant. When pruning, be sure to remove any dead or damaged branches, as well as any branches that are crossing or rubbing against each other.
Propagation : Aucuba japonica 'Rozannie' can be easily propagated by seed or stem cuttings. To propagate by seed, sow the seeds in a well-drained seed-starting mix and keep them moist. Seedlings will emerge in 14-21 days. To propagate by stem cuttings, take 6-8" cuttings from new growth in late spring or early summer. Dip the cuttings in rooting hormone and plant them in a well-drained potting mix. Keep the cuttings moist and they should root in 4-6 weeks.
Usually, the plant growth rate is normal to rapid in direct sunlight and can tolerate lower light levels. It prefers moist, well-drained soil but is somewhat drought tolerant once established. The plant is an evergreen shrub and will keep its leaves year-round. It can reach a height of 10-15 feet and a width of 6-8 feet.
Common problems for this kind of plant are brown or black spots on the leaves, aphids, and caterpillars. These problems can be treated with insecticidal soap, neem oil, or horticultural oil. If the problem is severe, you may need to contact a professional.
Source:
Managing Pests in Gardens: Trees and Shrubs: AucubaUC IPM - ucanr.edu
Aucuba japonica 'Longifolia' | Nursery Crop Extension Research
Aucuba japonica Variegata, Aucuba, Gold Dust Plant