The cam sành (Vietnamese: [kaːm ʂâjŋ̟]) or King orange (Citrus reticulata × sinensis) is a citrus hybrid originating in Vietnam. Cam sành is Vietnamese for "terracotta orange", although the fruit is more akin to a mandarin or tangerine. The fruit may be easily recognized by its thick skin, which is typically bright green, although the skin may also be partly green and partly orange, or entirely orange. Its flesh is orange, dark and sweet. This is the most popular orange variety in Vietnam and Cambodia.
Bitter orange has a fairly high level of disease resistance and is generally not prone to illnesses. Still, if the plant is kept in poor conditions it can become more vulnerable to disease. It also experiences few insect pest problems. Care-wise, this plant has moderate requirements. It needs plenty of sunlight, because inadequate light can make it more susceptible to disease and cause spindly growth. Since it is frequently kept indoors, it may need to be moved regularly to a bright spot. It does not need frequent watering. Overall, Bitter orange is suitable for most people, though it is best for those who can provide good light conditions.
How to keep Citrus Nobilis.
Light
The bitter orange plant flourishes when exposed to ample sunlight daily, yet it can also adjust to spaces with lower light exposure. However, insufficient light might have a negative impact on the plant's health. As its natural habitat is generally bathed in bountiful sunlight, similar lighting conditions are beneficial for its development.
Temperature
The bitter orange thrives in balmy weather conditions ranging from 68 to 100 ℉ (20 to 38 ℃). It naturally grows in subtropical to tropical areas where the winter temperatures are above 50 ℉ (10 ℃). When it comes to cooler climates, it's recommended to relocate potted plants inside during the winter season.
Fertilizer
Opt for organic fertilizers, like fish emulsion or compost, instead of synthetic ones for Bitter orange. Supply younger plants with more nitrogen and phosphorus during the spring season. Incorporate compost or fertilizer either before or after planting. For established plants, add balanced or specific fertilizer to address deficiencies in spring. Lack of nutrients can result in small leaves, shorter branches, leaves that are yellow or bronze, more acidic fruits, early fruit drop, and fruit splitting.
Pot & Repot
During the repotting of Bitter orange, select a container that is 1-2 inches (2.5-5 cm) wider, ensuring it has plentiful drainage. Opt for a potting mixture that drains well. Carry out the repotting process during spring or autumn, making sure the root ball is positioned marginally below the flower pot's edge. After you've finished repotting, water the plant abundantly, then situate it in a warm location where it can enjoy indirect sunlight.
Botanical profile.
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Citrus
- Family
- Rutaceae
- Hardiness Zone
- 9-11
- Mature Height
- 6.1 m to 9.14 m
- Mature Spread
- 6.1 m
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- White
- Flower Size
- 2.03 cm to 3.56 cm
- Bloom Time
- Late spring, Early summer
- Planting Time
- Spring, Autumn
- Harvest Time
- Mid summer, Late summer, Fall, Winter
Other names.
