That is why nursery stock is being so tightly regulated. The main way that HLB spreads is by transporting plants that are already infected with ACP. HLB risks destroying a $7 billion economy in California. Citrus is an important crop grown throughout the Central Valley and other farmland. Of course, citrus isn't just important to California because people grow them on their homes. The answer is the Asian Citrus Psyllid bug, which carries a bacterial disease called Huanglongbing (HLB), that is potentially very devastating to California's citrus trees. If you have tried to buy citrus plants online, you may have noticed warning that they would not ship to California, yet you can go to a local nursery and pick one up easily. Are you getting poor fruiting? Sour oranges, or bitter lemons? Do the leaves look oddly speckled, curled, or otherwise unhealthy? Read on. That said, you may have existing fruit trees in your yard that you are unsure how to care for. So I recommend tackling the disease section first, especially if you are considering adding citrus to your garden. There is a very serious problem with growing citrus in Southern California right now, especially in the Los Angeles area. Those of us who live beneath the San Gabriel or San Bernardino mountains are probably very familiar with the history of orange and lemon groves that once dominated the landscape. Yet oranges, lemons, limes, grapefruit, tangerines, lowquats and all of the other citrus fruits are ubiquitous in California. Here is everything you need to know to get the most out of that tree!Ĭitrus are foreign plants, originating almost exclusively in China. It's not uncommon to grow the small tree in its starter container for a full year or more before transplanting it into the landscape.If live in a house in Southern California there is about a 50% chance you already own at least one citrus tree. Continue to grow the new tree in its container until it is large enough to transplant into the landscape or into a permanent patio container. After several more weeks, when you see new green growth developing, the plastic bag can be removed entirely.It can take as many as six weeks or even longer for the cutting to develop roots. When the cutting has developed a good network of roots (you will feel resistance when lightly tugging on the cutting), loosen the plastic bag to allow the cutting to begin acclimating to drier conditions. Monitor the bagged cutting, moistening the potting mix when necessary.Place the cutting in a loosely secured plastic bag to hold in moisture, then place it in a location with bright, indirect light, at a temperature of 70 to 75 degrees Fahrenheit.Thoroughly moisten the potting mix, and press it firmly around the cutting to hold it in place. The bottom one-third of the cutting should be buried.
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