Missing lemons were probably stolen by human – Las Vegas Review-Journal


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Q: The last time I counted the lemons on my lemon tree, I counted 13 or 14. Today, I only have six lemons left on my tree. Can you explain what happened?
A: I think someone stole your lemons. If a rat or other vermin ate the fruit or it dropped to the ground, the remnants of the fruit would be near or still hanging on the tree.
Usually, rat damage is gnawing a hole in the fruit, and it’s not removed. If a rat really likes the fruit, it will clean out the inside clean and leave the rind still clinging to the tree. If you don’t see anything lying on the ground, then a human stole the whole thing and put it in their pocket.
Educated animals only focus on fruit that’s ripe. On occasion, I will see fruit still green damaged by animals, but that’s usually young unschooled animals, and they learn not to sample immature fruit again when they’re young.
Humans pick fruit still immature, and they dump it when it doesn’t taste good. Unfortunately, lemons and limes never ripen after they have been picked. They must reach maturity and be harvested while still clinging to the tree.
Lemons usually don’t ripen until about December. Ripening means the sugar content increases as they reach maturity. December and January are the usual times we see citrus damaged by vermin.
Lemons can be harvested from the tree for about three or four weeks after they ripen and it’s still cold. If held too long on the tree they become pithy, dry out and the rats can find better things to eat from the garden. Harvest the remaining lemons no later than late January when they, hopefully, should still be at their peak of sweetness.
Q: Any ideas what is happening to my honeysuckle growing against my cement block wall? Looks like the water was turned off. The same thing happened last year. I cut it back and it grew nicely until now.
A: You didn’t tell me which honeysuckle it might be so I’m guessing it’s Hall’s honeysuckle, a Japanese honeysuckle type. My second guess is that the cement block wall is facing south or west. Walls that face south and west are the hottest walls in the landscape.
Surface temperatures of those block walls will reach over 170 degrees when the air temperature is slightly above 100 degrees. My third guess is the plants are surrounded by rock mulch, which can get very hot as well.
Bottom line, the new growth died back because the block wall got too hot probably starting in about May. Heat damage looks very similar to a lack of water.
Don’t get me wrong, Japanese honeysuckle is very heat tolerant, but not that heat tolerant. Even some of the most heat- tolerant climbing vines, like cat’s claw, can’t get established on a wall that hot.
The big advantage of a vine like cat’s claw is that it grows very rapidly and might be able to establish itself on the wall during the cool fall and spring months before it gets hot. But once the wall gets over about 140 degrees, very little can get established on it.
Q: You said in your column that you can grow citrus from seed. What is the best way to do that? Dry them first? Soak them?
A: I am talking about a sexual trait of many citrus seeds called “polyembryony.” This trait is common among citrus seeds.
Polyembryonic seed, in layman’s terms, means they will grow the same fruit as the “mother” tree. In other words, if you want to grow a lemon or orange tree from seed, it is very likely to produce the same fruit as the same lemon or orange mother fruit tree. Propagating citrus from seed means you have cloned the mother tree.
Cloning temperate fruit trees from the seed of apple, peach, apricot, plums and other temperate fruit trees is riskier. Cross-pollination or hybridization between these types of trees is more common, and the seed is not polyembryonic.
Cloning of these trees is frequently done by cuttings or air layering (marcottage) rather than seed propagation. If fruit is seedless, you are forced to propagate from cuttings or air layering. You have no choice.
To sprout citrus from seed, use fresh citrus fruit and remove any seed without damaging it. Wash and then dry the seed. Plant the seed in flats or large shallow containers in full sun using wet potting soil. Mist the soil about two or three times a week.
The seed will produce shoots in two weeks if the soil stays warm. They are ready for moving into larger containers in four weeks. The worst failures from citrus are when planting frozen, old or dried-out seed.
Q: Where in Las Vegas can I purchase calamansi limes or the tree you were talking about in the newspaper?
A: Calamansi or calamondin limes are tart, small green limes with an orangish-yellow inside flesh. Mature trees are about 6 to 8 feet tall, a good size for containers. I have seen the plants occasionally at Seafood City, a Filipino grocery store. But you can grow them from seed using fresh calamansi seed taken from the fruit.
Like most citrus, they will propagate true from seed. They can handle winter temperatures as low as 25 degrees when they are larger and established. Plant them with compost mixed in the soil as an amendment along with a 3- to 4-inch layer of wood chips on the soil surface (mulch) in an eastern part of the yard that is warm and out of the wind.
Q: When is the best time to fertilize roses? Are the commercial fertilizer mixes OK to use?
A: Commercial rose food or granular fertilizer for roses is fine to use if the soil has been amended with compost in the past two or three years. Desert soils need the extra organic content for many plants. If the soil has not been improved during that time, then it’s best to amend it so that it’s “fluffy” and then add a commercial fertilizer.
An alternative is to use a rich compost that does both at the same time. Be sure to cover the amended soil with wood chips, not rock. Don’t forget to add an iron fertilizer to the soil in late January and cover the soil with mulch afterward.
Roses prefer the same soil amendments as citrus and other fruit trees. Fertilizer applications are done twice in the spring and twice in the fall, avoiding the high temperatures of the summer. Avoid applying fertilizer to roses during the heat, and be sure there are at least six to eight weeks of good growth remaining during the growing season.
For roses, a lot depends on their landscape orientation. Roses facing north are fertilized four to six weeks later in the spring but four to six weeks earlier in the fall than those facing south or west. Probably the best landscape exposure for roses is the east side.
A good rose fertilizer is high in phosphorus and potassium but lower in nitrogen and usually in a slow-release form. Some rose fanciers like to apply magnesium in the form of Epsom salts as well.
Q: Is now a good time to plant tomatoes and other vegetables?
A: No, it’s not, but I’ll tell you how to do it anyway. Vegetables are divided into two camps: warm-season vegetables and cool-season vegetables. Tomatoes, peppers, and eggplant are examples of warm-season vegetables.
Warm-season vegetables are usually planted in mid- to late spring when the soil is warming and the danger of frost has passed. As the plants gain size and prepare to flower, the air temperatures are beginning to warm up.
Cool-season vegetables such as broccoli, cauliflower and cabbage are planted at the end of summer just before air temperatures are starting to cool off. The warm temperatures give these plants a chance to gain some size before they start to flower at cooler temperatures. The problem is that you want to plant a warm-season vegetable when we should be planting cool-season vegetables.
That being said, it is possible to plant warm-season vegetables at the end of summer. There needs to be enough time remaining for harvest. That can be a gamble.
To determine if you have enough time for a fall planting or not, use the number of days before harvest and add five days. The seed packet or information in the catalog tells you the number of days before harvest.
For fall planting a warm-season vegetable, use the number of days before harvest and add five days. Using this number, count backward from the calendar date when you are anticipating harvest. For instance, if the tomato variety says it is ready to harvest in 45 days, then count backward 50 days from that date and that’s your planting date for small transplants.
Bob Morris is a horticulture expert and professor emeritus of UNLV. Visit his blog at xtremehorticulture.blogspot.com. Send questions to [email protected]

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