Pittosporum Crassifolium which is commonly called Karo, is often a small tree or shrub native to New Zealand.
Overview of Pittosporum Crassifolium or Karo
• Karo’s original distribution was usually the top half of its northern border Island.
• Although now it is naturalized throughout New Zealand and overseas in Norfolk Island and Hawaii.
• Pittosporum crassifolium occurs in lowland and coastal forests.
• Mature Pittosporum trees grow to about 5 metres (16 ft) in height.
• Other common names include stiffleaf cheesewood, along with M?ori, kaikaro and k?hihi.
• Karo has dense dark gray-green leathery leaves which are furry underneath.
• This is an early colonizer.
• Pittosporum crassifolium has the ability to withstand high winds and salt spray.
• Clusters of small red-purple flowers appear in spring.
• They develop into seed pods that split to show the sticky seeds.
• P. crassifolium is considered to be “weeds in cultivation” in California.
• They’re being kept under observation to make sure they do not escape into wild.
• In New Zealand birds easily spread karo seed.
• This is true even in areas south of the company’s natural range.
• Here, it has become a pest plant.
• Pittosporum crassifolium is definitely an evergreen Shrub growing to m (16ft) by 3 m (9ft).
Uses of Pittosporum Crassifolium or Karo
– Soil stabilization
• A navy dye is from the seeds.
• This shrub has Saponins that may be used in soap due to its bitter taste.
• The bitterness can be easily removed by washing.
• It is very tolerant of pruning and maritime exposure.
• This plant might be grown as being a protective hedge by the coast in mild maritime areas.
• The flower has an extensive root system.
• It can supply for binding sandy soils, dunes etc.
• Its Wood is very tough.
Scientific classification for Pittosporum Crassifolium or Karo
• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Eudicots
• (unranked) : Asterids
• Order : Apiales
• Family : Pittosporaceae
• Genus : Pittosporum
• Species : P. crassifolium
• Binomial name : Pittosporum crassifolium
• To plant pittosporum, one can possibly use nursery bought seedlings.
• Plant the seedlings within an area with full sun to partial shade.
• It requires neutral to slightly-acidic soil.
• Water well within the new planting site.
• Maintain a consistently moist soil.
• Do not make it wet.
• It can be hardy to zone 9.
• It flowers in May.
• The flowers are monoecious.
• The rose is self-fertile.
• This plant is ideal for: light (sandy) and medium (loamy) soils.
• It prefers well-drained soil.
• It is suitable pH: acid, neutral and basic (alkaline) soils.
• It might grow in semi-shade or no shade.
• It prefers dry or moist soil.
• This plant can tolerate maritime exposure.
• It succeeds in almost any well-drained soil.
• Vegetation is very resistant against maritime exposure.
• Plants within this genus are notably resistant against Armillariella mellea.
• Seed – sow when ripe inside autumn or late winter in a very warm greenhouse.
• The seed usually germinates freely.
• Prick your seedlings into individual pots if they are large enough to manage.
• Move the plants with a cold frame.
• Consider definitely some protection from the cold throughout their first winter outdoors.