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  • … moment occurred in the Semitropical Greenhouse this morning, as a fascinated crowd gathered to see what was happening with Spike, the titan arum. On Saturday, it was determined that Spike had run out of the energy it needed to continue its bloom cycle. Spike is powered by energy from the sun, stored in its beach-ball-sized corm—a tuber-like underground …
    Type: Blog
  • … Looking for a reason to be glad for the cold weather in winter’s stretch? Consider the needs of fruit trees. Fruit trees need to spend a certain amount of time during their dormant winter period at cool temperatures in … order to satisfy their chill requirement. Simply defined, the accumulation of chill units (CU) is a cumulative measure of the number of hours trees spend between 32 and 45 degrees Fahrenheit. …
    Type: Blog
  • … Thanksgiving is here again, and we at the Chicago Botanic Garden are thankful for all the pollinators who make … one-third of the food we eat. As you enjoy a meal with friends and family, take a moment to say thanks for the little things that make such a big difference—pollinators!   Instructions Click on the image above to download our placemat to enjoy with your feast. The ideal printing size is tabloid (11 x 17 …
    Type: Blog
  • … been planting these signature troughs for the past 15 years—it’s one of his favorite things to do each spring. The bright, colorful troughs in the Heritage Garden welcome visitors every spring. “After a long, drawn-out winter, it’s nice to have something that cheers people up,” said Soulsby. “It cheers us up, too, to see visitors … a mass planting in the Garden. People look forward to these 41 containers each spring, which is something Soulsby keeps in mind when he’s planting them. By the time April rolls around, …
    Type: Blog
  • … Spring is done and we’ve finally moved into summer bulb season! The annual beds have been replanted with sweeps of dahlias, cannas, caladium, and begonias to showcase these nonstop workhorses of the summer garden. Caladium bicolor  ‘Raspberry Moon’,  … areas. On the perennial side of things, we’re moving into lily season. The very first lilies to bloom are the martagon lilies ( Lilium martagon)  and their hybrids (such as  Lilium martagon  …
    Type: Blog
  • … supervisor of plant health care, said an insulating blanket of snow on the ground helps. Snow is a good insulator for plants that are exposed to extreme cold temperatures, so any plants that are covered should not have damage to their root zone or plant parts covered by the snow. In one polar vortex, two sycamore trees in …
    Type: Blog
  • … From the 2015 archives: It is our pleasure to introduce another titan arum (in bloom!), which we have joyfully named Alice the Amorphophallus. Given the history below, it’s a name to remember! Alice the Amorphophallus is caught blooming on webcam at 12:22:39 a.m. today—the …
    Type: Blog
  • … celebrates the achievements of women in all fields and walks of life. It’s also a day to advance the cause of gender balance in every aspect of our lives—an equal number of men and … at workplaces, in government, in science, etc. Unfortunately, the number of women in science is still pretty dismal. Despite earning about half the doctorates in science, only 21 percent of full science professors in the United States are women. When students are asked to name pioneers in conservation biology, they tend to name men. Rarely do they mention some of …
    Type: Blog
  • … There’s less mystery in the natural history of aquatic green algae and its relationship to land plants, thanks to research co-led by Chicago Botanic Garden scientist  Norm Wickett , Ph.D., published this week … a common ancestor with green algae, but there has been some debate as to what form of algae is the closest relative, and how some of the major groups of land plants are related to each …
    Type: Blog
  • … employee in 1980. He grew up on a farm near Celaya, Guanajuato, Mexico, where he learned how to operate equipment and take care of plants. Within a few months, Melecio was promoted to foreman; then a few years later, he became Grounds supervisor.  Melecio supervises four regular employees and 43 seasonal employees, and is responsible for general grounds maintenance, major event support (set up and tear down), and …
    Type: Staff bio