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Vitamin C-Sick for Citrus
Home & Garden

Vitamin C-Sick for Citrus

October 14 2022

Article and photos by Terri Simon, Master Gardener

It began with Covid and ended with Ice Storm Uri. Two serious blows affected our nation. With the advent at the beginning of 2020, most public meetings and outings were cancelled. Private gatherings were limited. This included all the meetings we Mas- ter Gardeners normally attended. Schools and other associations scrambled to switch to online classes. John Panzarella, the retired chemical engineer and citrus guru based in Lake Jackson, cancelled his annual citrus tasting that was held in December. I had attended his meetings for several years. John is a walking encyclopedia on citrus. In his 1⁄2 acre back yard where he had gardened for 50+ years, he had approximately 200 types of citrus.
 
Panzarella citrus tasting pre-Covid
 
The next blow came from ice storm Uri. The ice storm paralyzed parts of our nation. On February 9, 2021, Uri hit Dallas and its horrific impact spread through Texas. The deep freeze lasted three days in Houston. Soon after, gardeners could only survey the damage left behind in our gardens. Commercial growers were affected as well. I don’t know of anyone personally who had a citrus tree that survived. Panzarella lost nearly every citrus tree he had in his back yard. He had the largest avocado tree I have seen and it froze. John says it is coming back, so we’ll see. My own beloved Moro blood orange tree, named Sunshine, bit the dust. I mulched it, wrapped the trunk and covered it. It was not spared even though I thought it had been. Within a week the bark turned black and began oozing. I was in mourning for that tree. The previous year I harvested nearly 100 oranges from her. Now many of us gardeners are starting over. Uri was responsible for 246 deaths in Texas. One bit of trivia: approximately 30,000 bats were frozen.
 
Why is it important to include vitamin C in your diet? For thousands of years a condition called scurvy killed many sailors. It’s estimated two million sailors died. Scurvy is caused by a lack of vitamin C, which is found in citrus. Symptoms included bleeding gums, swollen legs and gross ulcers. The affected person becomes emaciated and dies. The British were among the first to realize that scurvy was caused by a lack of vitamin C and soon carried limes and lemons on their sailing ships. That is why they were given the nickname “Limeys.”  
Sunshine, my Moro blood orange pre- Ice Storm Uri
 

If you are starting over like some of us, or just starting out, what type of citrus tree will you purchase? Decide what you want in a citrus tree. There are so many varieties available. Our growing zone is 9B so purchase citrus trees that will do well here. Do you prefer oranges, lemons, limes, grapefruit or some of the other esoteric varieties out there? How much space do you have? Another factor to weigh in is children. Small children like the smaller citrus varieties that have fewer seeds, fit in their small hands and are easy to peel. Perhaps a satsuma citrus tree would be appropriate. Alfred Froberg, owner of a nearby produce farm once told me he liked Owari satsumas because they could tolerate cooler temperatures. Do you want an orange tree for juicing or one that you eat out of hand? The Republic of Texas orange has been in Texas since the mid 1800s. It grows in zones 8-11 and can reach a height and width of 15 feet. I prefer this orange as a juicing orange. It is sweet but it does have a lot of seeds. The color is vibrant and the taste is perfect. My personal favorite is the Moro blood orange. It is tasty, has few seeds, is easy to peel and beautiful as well. If the temperature is cooler (but not freezing), the peel and flesh of this orange turn red. Some gardeners have commented that the improved Meyer lemon tree is easy to grow. It is large and has a sweeter, less acidic taste. That’s because it is not a true lemon, it is a hybrid between an orange and a lemon. There are some tables included in this month's issue of Urban Dirt that list citrus varieties and descriptions as well as diseases, so consider those when deciding on the variety you want to purchase. If your growing space is limited, there are citrus trees grafted with more than one variety, but these are expensive and harder to find. 

Once you have decided on your citrus tree, consider planting it with some companion plants. Companion plants are plants placed near each other for specific benefits. It can be a oneway benefit or a mutual benefit. A companion plant with shallow roots should be considered so that its roots will not compete with the citrus tree. Several advantages for using a companion plant with your citrus include: attract beneficial insects or deterring pests, limiting evaporation, helping pollination, helping to cover or amend the soil, preventing weeds, and serving as a trellis and fixing nitrogen. By using companion plants you can also obtain the most use of the square footage of your garden. Examples of some suitable companion plants for your citrus tree include: lavender, rosemary, and members of the allium family which include chives, garlic and onions and nasturtiums. This month’s issue also features a companion plant article for nasturtiums written by MG Becky Lowicki. Be sure to check that out. To learn more about citrus, attend one of our Green Thumb Lectures. It will be given online. This month’s topic is citrus trees. For info on the Green Thumb lectures go to: https://hcmga.tamu.edu/2022-green-thumb-gardening-series/

Source:Harris County Master Gardeners Urban Dirt Newsletter (October 2022 Edition)

About Urban Dirt

Each month, Harris County Master Gardeners publishes an informative, resourceful newsletter entitled "Urban Dirt". This article was derived from the October 2022 edition. To read the October 2022 edition of this newsletter, click the button below.

URBAN DIRT - octoBER 2022 EDITION


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