The following are varieties of apple trees that offer at least some resistance to … Apple trees are among the hardiest of fruit trees, and some kinds are disease-resistant. Standard-size apple trees, the fastest growers, typically grow at least 20 feet tall. Four diseases commonly attack apple trees: fire blight, apple scab, cedar apple rust, and powdery mildew. Cool periods are so important to apple trees that they actually need hundreds of “chill hours” every year to break dormancy, and regulate growth. Semi-dwarf trees become about 15 feet tall, and dwarf trees grow roughly 10 feet tall. Keep tops of trees pruned to control size if desired. Chill Hours. Location: Choose a location where your starfruit tree is going to get plenty of sunlight, 6-8 hours per day is best. worth your efforts. Disease-resistant varieties of apple trees may carry the day over varieties that require spraying. Like other apple trees, Zestar apples require a fun sun site that receives at least six hours of sunshine every day.They also need well-draining soil and ample irrigation. Believe it or not, the measurement was made with an extra long tape measure, but there are much easier methods you can try yourself. Dwarf varieties give full-sized fruit on 5 to 6 foot trees and are well-adapted to container gardening. Starfruit trees mature to a height of 20-35 feet tall and 20-25 feet wide. How to Grow a Zestar Apple. It matures at 8 to 10 feet tall. Trees are not well suited for lawns and need regular fertilizing and pruning for best production. Syzygium malaccense is a species of flowering tree native to Malesia and Australia. Slow-growing star fruit mature to 30 feet in both height and spread. This dwarf bears bright red fruit that is sweet, crispy, and juicy. A popular dwarf apple tree is the Cameron Select brand of the Honeycrisp. When you are growing Zestar apples, remember that the fruit ripens early. The tree can adapt to any soil type, but grows faster and produces more fruit in a soil with more organic matter. This one grows in USDA plant hardiness zones 3 to 6. Plant … It is one of the species cultivated since prehistoric times by the Austronesian peoples.They were carried and introduced deliberately to Remote Oceania as canoe plants.In modern times, it has been introduced throughout the tropics, including many Caribbean countries and territories. Apple trees tend to thrive in areas with nice, cold winters. The size of a tree, largely determined by its type of rootstock, also governs its growth rate. At a secret location somewhere in northern California, a tree named Hyperion has been measured at a world record height of 379.3 feet (115.61m)! Most won’t grow anywhere warmer than zone 8, but there are a few exceptions, as you’ll see below.