Citrus paradisi, commonly known as grapefruit, is a subtropical citrus tree belonging to the Rutaceae family. Native to Barbados, it was first documented in the 18th century. The tree can grow up to 15 meters tall and features a dense canopy of dark green, glossy, oval-shaped leaves.
The grapefruit is a large, round or oblate fruit with a thick rind that ranges in color from yellow to pink or red. Inside, the flesh is segmented like other citrus fruits and varies in color from white or yellowish-white to pink or red, depending on the variety.
Grapefruit trees are cultivated commercially for their fruit, which has a tangy-sweet flavor with varying degrees of bitterness depending on the variety. Additionally, the trees are valued for their essential oil, which boasts numerous health benefits including antioxidant, anti-inflammatory, antiseptic, and anti-depressant properties.
Citrus paradisi trees thrive in warm temperatures between 15-38°C (59-100°F) but can tolerate short periods of cold down to -3°C (27°F). They prefer well-drained soil with pH levels between 5-7 but can also tolerate slightly alkaline soils with pH levels up to 8.
Overall, Citrus paradisi is an important crop worldwide due to its nutritional value. Grapefruit is rich in vitamin C and also contains other essential vitamins such as A and B6, as well as minerals like potassium and magnesium, making it a valuable addition to our daily diet.
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 Paradisi.
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.