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Stinknet: a South African weed taking root in southern Arizona

If you were driving Highway 60 through Gold Canyon two years ago this month, near Bashas’, you were probably impressed at roadside banks of bright yellow flowers. No, those weren’t gold poppies or marigolds – instead they’re evidence of encroaching Stinknet (Oncosiphon pilulifer) also commonly known as globe chamomile, though it isn’t a chamomile and shouldn’t be steeped in hot water. A relative newcomer to the invasive weed scene in Arizona, this hardy plant, native to South Africa, has quickly spread since it was first confirmed here in 1997. Michael Chamberland’s paper on the subject states, “By 2019 the plant had risen to public attention due to its conspicuous presence. Stinknet is now common in the Phoenix metro area and across much of Maricopa County. It is spreading south along the I-10 corridor, becoming well established in Pinal County. Outbreaks have occurred within the Tucson metro area and also in rural parts of Pima County. Recen

Climate change and outreach webinar planned

Arizona and Rim Country’s changing climate — and creation of a new “Climate Masters” outreach program through the University of Arizona Cooperative Extension — are topics to be discussed at this week’s gardening webinar. The free webinar is at 11 a.m., Thursday, April 29. Guest speaker Anne Mottek holds degrees in forestry and sociology. Her work focuses on social science research and its application in resource management. She’s also engaged in collaborative organizations such as the Four Forest Restoration Initiative stakeholder group, Greater Flagstaff Forests Partnership, Flagstaff Watershed Protection Project, Fire Adapted Communities Learning Network, and Arizona Fire Adapted Communities.

Here s some help to get tomatoes galore this season | Events

Arizona low desert gardeners who love tomatoes can take advantage of two growing seasons. Tomatoes planted after the last spring frost (usually mid-February at lower elevations) can be ready for salads and pasta sauce within 60-90 days. Those who missed that optimal window can plan on the monsoon, planting around the end of July through mid-August, and covering with shade cloth to protect your plants from daytime heat until gentler autumn daytime highs. The favorite temperature of tomatoes range from 70-to-90 degrees, with nights that stay above 55. So, Rim Country climes have not quite reached those optimal temps, but we’re getting close, so now is the time to make all the best preparations.

Gardening water webinar

Payson Community Garden’s Bill Pitterle explains water scheduling and optimizing water-saving techniques essential to conserve our limited resource — while still producing a bumper crop of vegetables, green and fruits. This free online water webinar is at 11 a.m., Thursday, April 8. The program is a collaboration with University of Arizona Cooperative Extension Gila County, the Zoom link for the presentation is arizona.zoom.us/j/86171898681 and you’re welcome to login up to 10 minutes prior to the start time. An easy, convenient way to connect is via “click here” direct hotlinks at extension.arizona.edu/gila. At this site you can also view dozens of prior Thursday webinar topics ranging from soil preparation to winter gardening, container gardening and more.

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