![]() ![]() We have certainly have had those conditions during the past few weeks. Nine to 12 hours of leaf wetness or high humidity is required for new infections to develop. The optimum temperature for disease development is between 59 and 77 degrees. Disease spread on Indian hawthorn is especially rapid following several days of mild, cloudy and wet weather. The disease, which occurs not only on Indian hawthorn but also other woody ornamentals in the rose family, is characterized by heavy spotting of the leaves followed by premature defoliation. The disease is caused by the fungus Entomosporium mespili, and is the most common and damaging disease of Indian hawthorn and typically begins in late fall or early winter. Your Indian Hawthorn ( Rhaphiolepis indica) probably has a disease called Entomosporium leaf spot. The leaves eventually turn red and fall off. The leaves on my Indian hawthorn have spots on them. The larva of a small gray moth called the jumping bean moth ( Laspeyresia saltitans), is native to Mexico and the southwestern U.S., so "jumping beans" would not be produced in this area. However, since we don't have the insect in this area, you won't produce a jumping bean. The shrubs are tropical and frost susceptible, so if you can find seeds that are not infested with the larvae, plant and grow them in the spring after the danger of the last frost has passed. Americans call them Mexican jumping beans, and people in the Southwest sometimes call them bronco beans because of the way they jump. Jumping beans belong to the spurge family ( Euphorbiaceae) and grow in Central and South America. pavoniana), itself often referred to as the jumping bean. The beans themselves are from a shrub of the genus Sebastiania ( S. The seed does not actually jump as much as wiggle because when it gets in a hot place the larva snaps its body hoping to roll to a cooler place. They are a seed pod through which the larva of a small moth has chewed. Mexican jumping beans are small and range in color from tan to brown. Can we grow them here in Jacksonville?Ī Mexican jumping bean is native to Mexico, where it is known as a brincador ("hopper"). ![]() ![]() My son purchased some Mexican jumping beans and wanted to know more about them. ![]()
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