Oro Blanco Grapefruit
Naturally Sweet Oro Blanco Grapefruit Tree
- Early Season
- Delicious, Sweet Fruit Needs No Sugar
- Large Size White Grapefruit
- Nearly Seedless Fruit
- Mild and Sweet Flavor
- Fragrant Blooms in Early Spring
- Wonderful in Containers
Even if you aren’t a fan of traditional, acidic grapefruit, you’ll love the sweet taste of Oro Blanco Grapefruit (Citrus paradisi ‘Macfadyen’). This is a special hybrid cross between a sweet Pummelo and a white fleshed grapefruit.
These citrus trees are easy to grow in the ground, or in containers. Why not add an Oro Blanco tree or two to your edible landscape? They ask for very little care but give you so much in return.
This is the most popular variety of white grapefruit. The large fruit is nearly seedless and features pale yellow, juicy flesh. With a thick, soft rind inherited from its Pummelo parent, the fragrant fruit is easy to peel and segment. Gift yourself a sumptuously clean eating experience for breakfast or any time of day!
The flavor is out of this world! That’s because Oro Blanco Grapefruit hybrid is an improved version of grapefruit. Adding Pummelo to the pollinating cross means that there is no bitter, acidic aftertaste like other grapefruit varieties.
Try it and see! You’ll find out there is no need to add sugar to this variety! The marketing name ‘Oro Blanco’ translates in Spanish to white gold and it’s not an exaggeration.
Oro Blanco fruit really is that good. The taste is mild and sweet and a great way to boost your health with plenty of Vitamin C, fiber and potassium.
Like many other home gardeners, you'll love the fragrant flowers, sweet fruit and the attractive, dense evergreen canopy of the Oro Blanco, Robust, large, deep green glossy leaves provide welcome shade and privacy.
Grow it in the ground or in large containers. If you are in Zones 9 or 10, you can keep the containerized Oro Blanco outside all year. These trees can happily grow in containers for many decades with proper care.
Growing your own Oro Blanco Grapefruit is a joy! You’ll love knowing exactly how your fruit was grown and being part of the “Eat Really Local” edible landscape movement.
How to Use Oro Blanco Grapefruit
How do you know when it's ripe? When you start to see seasonal fruit drop in fall, it’s time to start picking Oro Blanco.
Here’s a helpful hint to make it easy. Simply cup the bottom of the fruit and use your other hand to tap it gently. If it’s ripe, it will fall off right in your hands!
Don’t worry, ripe fruit often has a green blush. Oro Blanco fruit varies in color. They can be golden yellow, light green to almost white.
The rind is soft and thick. It does a wonderful job protecting the soft fruit. It also smells amazing!
Try zesting the peel like you would a Lemon. You can slice and candy it or dry it for potpourri and sachets.
Oro Blanco Grapefruit is easy to peel and segment like you would an Orange. The sections come apart smoothly.
Use a knife if you’d like or take some time to peel by hand. Appreciate this gentle, fulfilling experience that is all the more meaningful when you grow your own produce.
The pale yellow pulp is all about the sweetness of the natural flavor without the tart acid of other Grapefruit varieties. With the Oro Blanco, adding sugar would be a mistake.
Your harvest will keep at room temperature for up to 2 weeks, or in the refrigerator for up to a month.
Oro Blanco trees grow into great barriers or privacy screens. The leaves are evergreen and held in a dense canopy. You can keep it pruned to any size you’d like.
Oro Blanco is very productive. They produce the sweetest fruit if planted in full sun.
For in-ground trees, it’s a good idea to keep them mulched with wood chips underneath. Rather than using lawn or grass - which has very different growing requirements - plant groundcover plants under the trees or leave the mulch bare.
These productive and beautiful plants can be kept in large containers their whole life. Try them on either side of a patio area, or a single specimen sited in a place of honor.
#ProPlantTips for Care
The tree offers a very dependable yearly fruit set. Even when young, the Oro Blanco is likely to set fruit. When young, only allow 1 fruit per limb. Remove the additional fruit to avoid limb damage for the first few years.
One of the most cold hardy citruses, the Oro Blanco will tolerate cold down to 25 degrees for brief periods of time.
Developed at the University of California Riverside in 1958, this variety went through extensive trials and was not released for sale until 1980. It quickly gained appreciation for its wide adaptability, far greater than any of the other Grapefruit selections.
For longer cold snaps in Zones 9 or 10, string C9 Christmas lights through the tree and cover the tree with a frost blanket. In colder Zones, you’ll need to bring the container indoors when temperature begin to get in the mid to low 30’s.
Provide a window with as much sunlight as possible. Keep your plant away from any dry heat source, such as heater vents and fireplaces. In some cases, a grow light may be needed to ensure that the fruit continues to ripen and does not drop off the tree.
Plant in an acid planting mix typically used for Rhododendrons, Camelias and Azaleas. Add 25% ¼ inch or pathway bark to the mix for porosity.
Citrus requires far less water when indoors. Be careful not to overwater your plant while it is indoors. Keep it on the dry side of moist.
Fertilize with an acid fertilizer, such as Dr. Earth Acid Lovers Organic Fertilizer. Feed containers every other month.
Ensure they have enough air humidity with periodic misting or using a diffuser. You can also rest the plant on a tray filled with pebbles and water. As the water evaporates, the air humidity increases.
You’ll want to plan to repot them every 3 to 4 years. Always shift to the next size container and avoid going too much larger than the current pot size.
Don’t miss out on growing special sweet Oro Blanco Grapefrult. Order today and get on your way to enjoying your homegrown “white gold”!
Buying Options for Plants
Nature Hills sells a large variety of plants with several options available. Plants are offered in both potted containers and as dormant bare root without soil. Here is a helpful resource to understand your options as you create a beautiful landscape with help from Nature Hills.
Ever wonder what a larger plant will mean for your landscape? Container Sizes are really all about the age of the plant!
Seasonally, Nature Hills offers hand selected, high quality bare root trees, shrubs and perennials. Bare root plants are sold by height from the top of the root system to the top of the plant. Plants may be taller than the height minimums.
- Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc.
- Popular sizes of select bare root plants is 1 foot, 18 inches, etc.
Nature Hills Container Size by Volume
|Young Plants to 18 Months|
|2"x2"x3"||Ranges from||.18 to .21 dry quarts / .198 to .23 dry liters in volume|
|4.5" Container||Equal to||.655 dry quart / .72 dry liter in volume|
|3.5" Container||Equal to||.67 dry quart / .74 dry liter in volume|
|4" Container||Ranges from||.31 to .87 / .35 to .96 dry liter in volume|
|6" Container||Equal to||1.4 dry quarts / 1.59 dry liters in volume|
|1 Quart||Equal to||1 dry quart / 1.1 dry liter in volume|
|5.5" Container||Equal to||1.89 of a dry quart / 2.08 dry liters in volume|
|4"x4"x5"||Ranges from||.8 to 1.1 dry quarts / .88 to 1.2 dry liters in volume|
|4"x4"x6"||Ranges from||1.0 to 1.3 dry quarts / 1.1 to 1.41 dry liters in volume|
|4"x4"x9"||Ranges from||1.1 to 2.1 dry quarts / 1.2 to 2.3 dry liters in volume|
|4"x4"x10"||Ranges from||1.7 to 2.3 dry quart / 1.87 to 2.53 dry liters in volume|
|Plants 18 Months - 2.5 Years Old|
|2 Quart||Equal to||2 dry quarts / 2.2 dry liters in volume|
|#1 Container||Ranges from||2.26 to 3.73 dry quarts / 2.49 to 4.11 dry liters in volume|
|5"x5"x12"||Equal to||3.5 to 4.3 dry quarts / 3.85 to 4.74 dry liters in volume|
|Plants 2 - 4 Years Old|
|#2 Container||Ranges from||1.19 to 1.76 dry gallons / 5.24 to 7.75 dry liters in volume|
|#3 Container||Ranges from||2.32 to 2.76 dry gallons / 10.22 to 12.16 dry liters in volume|
|Plants 3 - 5 Years Old|
|#5 Container||Ranges from||2.92 to 4.62 dry gallons / 12.86 to 20.35 dry liters in volume|
|#7 Container||Ranges from||5.98 to 6.08 dry gallons / 26.34 to 26.78 dry liters in volume|
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Fruit Name Means White Gold and for Good Reason
Oro Blanco is Spanish for White Gold and is praised for its fine grapefruit flavor and incredibly sweet flesh without any added sugar required.
The Oro Blanco is a classic example of how long it takes a new variety to finally get to market. First crossed in 1958 at UC Riverside's Citrus experimental Station in Riverside California, the result of numbered selections '2n acid less pumelo' crossed with '4n white seeded grapefruit'.
Budwood from these selections were handed off to Dr. Robert Soost and James W. Cameron in 1968 for further evaluation. The Oro Blanco Grapefruit was selected and named, and the patent granted in 1981, twenty-three years after the original cross was made.
Due to its unique high sugar content and lack of bitterness so often associated with grapefruit varieties, the Oro Blanco Grapefruit was an immediate hit with both the commercial and home garden markets.
Adding to the wonderful flavor was the fact that the Oro Blanco was proving to be much more widely adapted than any other grapefruit varieties, outperforming other selections in the marginal grapefruit areas of Zone 9.
Oro Blanco also demonstrated other traits that made it a standout for the home gardener. The fruit gets sweeter during its very long hang time. Ripening in late fall or early winter, it is not uncommon to still be picking fruit 3 to 4 months later.
The large size and ease of peeling are another standout trait of the Oro Blanco. In favorable grapefruit climates, the size is quite large, where in less favorable climates the size will exceed all other grapefruit varieties. In colder climates, the peel can become quite thick, but the ease of peeling never makes this a problem. The Oro Blanco will peel and separate like an orange.
The last standout trait is the early and consistent fruit set. The Oro Blanco will set fruit at an early age quite often in the first year of planting. Due to the large size of the fruit, it is recommended to remove this early set to allow the tree's structure to develop properly.
Even in challenging years when other citrus fail to set, the Oro Blanco most often will not disappoint. With large white fragrant flowers in the late winter to early spring, the Oro Blanco may be the perfect home garden citrus.
|Botanical Name||Citrus paradisi 'Macfadyen'|
|Mature Height||10 - 12 feet|
|Mature Spread||8 - 10 feet|
|Soil Type||Well Drained|
|Sun Exposure||Full Sun|
|Fruiting Time||Early Season|