Pittosporum irene patterson is a fast-growing, evergreen shrub that can reach heights of up to 15 feet. It has dark green leaves that are elliptical in shape and measure up to 4 inches long. The anthocyanin pigments in the leaves give them a purplish hue, which is especially noticeable in the new growth. White, fragrant flowers bloom in clusters from late spring to early summer. The flowers are followed by dark blue fruits that are edible but not very tasty.
Related plant:
Pittosporum Shrub
Related plant:
Pittosporum Silver Ball
About soil condition, Pittosporum irene patterson grows well in various types of soils including clay, loam, and sand. However, it prefers well-drained soils with a moderate amount of organic matter. It is tolerant of salt and drought but does not like waterlogged conditions.
So, like the other Pittosporum species, Irene Patterson requires full sun to partial sun for best growth and flowering. It will tolerate some light shade, but won't flower as profusely. Irene Patterson will also do best in well-drained soils that are not allowed to dry out.
The temperature condition that is best for Pittosporum plants is one that is warm and humid. These plants do not like to be in cold or dry environments. If the temperature gets too cold, the leaves of the Pittosporum will start to turn brown and fall off. If the temperature gets too hot, the leaves will start to wilt and the flowers will start to fade.
Ideal humidity condition for this plant is around 40% to 60%. If the humidity level drops below 40%, the leaves will start to turn brown and crumble. If the humidity level goes above 60%, the leaves will start to yellow and fall off.
Regarding fertilizer, usually the plant does not need much. In fact, too much fertilizer can actually harm the plant. A good rule of thumb is to fertilize only when the plant is actively growing, which is typically in spring and summer. When fertilizing, use a low-nitrogen fertilizer and apply it sparingly around the base of the plant, taking care not to get any on the leaves. As for watering, the plant does best with regular watering, especially during hot, dry weather. It is important to not let the root system dry out, so be sure to check the soil regularly and water as needed.
Pruning is an important part of maintaining a healthy Pittosporum Irene Patterson. While this plant does not require pruning to thrive, doing so can help ensure that it remains looking its best.Pittosporum Irene Pattersons are fast-growing, evergreen shrubs that can reach up to 10 feet in height. They have dark green, leathery leaves and produce small, white flowers.Pittosporum Irene Pattersons are relatively low-maintenance plants. However, they will benefit from being pruned on a yearly basis. This will help to keep them looking neat and tidy, and will also encourage new growth.
Propagation is best done from semi-ripe cuttings taken in summer. rooting hormone powder can be used to encourage rooting. the cutting should be placed in a well-drained potting mix and kept moist. once roots have developed, the plant can be transplanted to a larger pot or placed in the garden.
Usually, the plant growth rate is between 2-3 inches a year. This plant can grow up to 6-8 inches in a year with the right conditions. It prefers full sun to partial shade and well drained soil that is not too dry. It is a good plant for hedges and can be used as a specimen plant.
Common problems for this kind of plant are mainly due to its high water needs. If the plant is not given enough water, it will start to wilt and the leaves will turn yellow and fall off. The plant is also susceptible to root rot if the soil is too wet. If you suspect your plant has root rot, you should immediately remove it from the pot and replant it in fresh, well-draining soil.
Source:
Managing Pests in Gardens: Trees and Shrubs: Pittosporum,
Pittosporum heterophyllum (Chinese Pittosporum) | North
Japanese Pittosporum | University of Redlands