Any luck with citrus outdoors in Zone 9a??
landperson
13 years ago
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fruitnut Z7 4500ft SW TX
13 years agolandperson
13 years agoRelated Discussions
Best orchids for zone 9a?
Comments (5)I'm in South Florida and grow many types of orchids outdoors. Being new to Florida, I think my zone is listed above as zone 9-10. It is hot and the sun very strong. My plants have suffered sunburn and I have since moved some into shadier places and have installed shade cloth over my patio. I have most of my dendrobiums hanging in a tree which gets early morning sun. Catts seem to love the heat (so far), I have lost a few which didn't like the heat. I won't grow those again. I have found Phals do fine until the day and night temps stay high. They seem prone to fungal problems and generally appear stressed as do the intergenerics. I move them into AC for a few months (still experimenting). You state you work at a nursery. I would think you could get info for your growing area there. I would follow ArthurM's advice and join an orchid club. You will meet other growers from your area and learn what works and doesn't. I'm thrilled to have moved from NY to Florida. My orchids seem happy and I'm getting growth I never got in NY. Even my indoor, dirt houseplants are thrilled being outside. They are growing like weeds. Good luck, Jane...See MoreAny luck "reversing" citrus greening?
Comments (27)Sorry to be the bearer of bad news, but greening is a bacterial infection that spreads thought the tree unless excised... you know, cut off before it spreads farther. Wait too long and it spreads to the trunk and then to the rest of the tree. I did a lot of reading a couple of years ago before I planted my trees, especially material from China. They have had this problem far longer than we have. Here's a synopsis of the strategy used by the more successful provinces. --> Control the psylid like any other vector. Remove as many host plants as possible. Try to maintain buffer zones around groves that are free of host plants. They use pesticides sparingly on hot spots. Historicly the Chinese have been rather poor and could not afford to throw around pesticide like we do. The Chinese claim that psylids do not fly far. Large groves tend to do better than smaller ones. The outer trees are considered sacrificial. If they are going to use insecticides, it is concentrated on the edges of the grove to reduce psylid penetration. Nothing currently stops greening once it is in the tree. They practice aggressive pruning of any branch that appears to be infected. Prunings are burned, not composted. Any tree that starts to decline is cut down and burned, with special attention paid to peripheral trees. The provinces that I read about did have commercial citrus production, but nowhere near the levels before. Here in Florida they have been spraying groves with frequent, high doses of microneutrients. This keeps the trees going. But the disease is still there, spreading throughout the tree and providing an infection reservoir. Aggressive insecticide spraying has to be done to keep the disease from spreading even further. Not a cure, and an expensive stop gap in hopes that a tree antibiotic of resistant gene can be found. Larry...See MoreWhat can grow in zone 8b/9a?
Comments (30)I live in Jacksonville zone 9A, only a few miles southeast of the 8b border. I have an orange tree and a ruby red grapefruit tree that have both survived 9 degree nights (I checked the weather records, the trees are at least 25 years old, so I was able to look up the lowest temps they'd been exposed to.) Most winters we will drop into the mid 20's to upper 20's for at least a week at night, with an occasional drop into the teens that happens once every few years. My neighbor has a tree of a similar age, it is a swingle citrumelo now because the scion froze and only the rootstock survived. The reason why my trees are alive is because they are on their own roots. They are not grafted, someone grew them from a seed. When the tree is ungrafted, unless the earth the roots are in freezes solid, they will come back from the roots even if everything above ground is killed off. I would recommend experimenting with rooted cuttings of anything you'd like. Seeds may be better, I think you'll be more likely to find something that can live on its own, but they will not fruit for 5-10 years, so it depends on your patience. I think just fruits and exotics sells certain types of citrus ungrafted, they sold me a variegated eureka lemon and said those worked better with no rootstock. Many of your plants will die due to the soil conditions on your property. Those that can tolerate your soil should be planted on the south side of your house, and frame protected when young. When they get too big for that, just watering them well before a freeze should save them 95% of the time. The difficult part will be finding something that can grow in your soil with no graft. Once you do, the cold is much less of a problem than for a grafted tree. One warning-- most citrus is dwarfed by the rootstock, my ungrafted grapefruit is 25 feet tall and about 15 feet wide. Think about space considerations and the eventual spread of the canopy and roots when planting close to your house, as citrus roots can be invasive....See MoreNeed Help with Backyard Orchard / Garden Plan
Comments (20)Texas Extension page on growing avocadoes in Texas. Note for instance: Avocado varieties fall into one of two pollination types, A and B. They differ in the time of day (morning or afternoon) when the male and female flowers can reproduce: Type A flowers open in the morning as receptive females and close in the afternoon. They reopen the following afternoon for pollen shed. Type B avocado flowers open in the afternoon as receptive females, close overnight, and reopen the following morning to shed pollen. In important avocado-producing areas, orchards are inter- planted with varieties of both types to ensure good pollination. In South Texas conditions, the flower phases overlap enough that pollination and fruit set are rarely a problem. https://agrilifeextension.tamu.edu/library/farming/texas-fruit-and-nut-production-avocados/...See Morejean001
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