Repositioning plants

A introduced me to another volunteer (C...) who has expert knowledge about orchids. He was instructing E... on the details of orchid care. C... is the greenhouse's expert orchid grower, with many award ribbons to his credit.

I helped Al... and F... to move the floor-based small trees in C2. Their location was cleared, cleaned, and replaced by a waist-high table onto which we placed small plants. The space created on the adjacent low-table we placed the small trees up off of the concrete, presumably to allow better drainage, air circulation and pest resistance. Edible plants were placed at the south end of the low table. Bananas, gingers, and marantas were placed at the north end of the waist-high table. To make room for the waist-high table, we also had to remove one of the black troughs. The water plants within it (an aquatic fern Salvinia minima. “water spangles”) were relocated to a glass aquarium situated on the waist-high table.

I scrubbed the sooty mold off from the leaves of one of the small plants in C2, an understory plant, located near a group of orchids on a low table.

While the crew were having their usual Thursday meeting in the workroom I occupied myself by cleaning under the new waist-high table in C2, pruning dead leaves throughout the room, and picking up fallen leaves from the floor and pots. Later, I swept the path in D2, and pruned dead leaves in D2-4.

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I celebrate learning this about cycad plants

I didn't know that the cardboard palm - Zamia furfuracea - is a cycad. It isn't a palm tree (don't judge me, I'm not a botanist). But it also doesn't look like the other more familiar types of cycads with their fluted upright palm-like fronds. I didn't know it is said to be the second most commonly cultivated cycad, after Cycas revoluta . I didn't know this plant is unrelated to the common ZZ plant - Zamioculcas zamifolia - although they have a similar appearance. Before today I didn't know any of these things, but now I am happy to have learned them. From the parking lot I walked to the U of M Conservatory greenhouse in near-zero F weather. Stepping into the tropical spaces was a joy of its own. But being able to learn new information and experience new procedures was a compounding factor. Joy squared. During my 3-hour volunteer shift, my initial task was to clean the parasite critters (mealybugs and scale) from the stems and leaves of the cycad, Zami...

Mobile indoor green wall

Finally, after three years... my plant vines have grown and spread to be green wall that I had hoped for. I'm not sure it would have taken as long if the plants were in a more humid, sunny climate, et cetera. But given our indoor Minnesota location - even with a southwest exposure - the vines have needed that amount of time to climb the six feet from the base to the top rungs of the metal grid supporting them. The result has been worth the effort. And to be honest, I didn't have to wait three years to begin enjoying the green wall. The vines were already attractive when only half way up the trellis. A metal grid is filled with mix of Epipremnum aureum cultivar "Marble Queen", Epipremnum aureum aka golden pothos, and Philodendron Brasil . Architecture of the green wall The initial intent of the project was to grow a green wall, in an apartment, that could be moved around to be able to clean underneath, and also to provide a mobile room divider for our open-plan loft....

Strung out in the greenhouse

The assignment for my four-hour volunteer shift at the University of Minnesota Conservatory greenhouse was clearly listed on a whiteboard, with my name attached. Since most of the tasks involved working with strings of overhead cables or air tubing, much of my shift was spent at the top of a ladder. Vining plants are limited to only a few of the many benches in the greenhouse. Steel cables are strung above the benches to support their growth. Because many plants grow in a small space, part of the challenge is to untangle and separate the vines so that they don't strangle each other. Not many of the vines are blooming at the moment, as it is winter. However, Thunbergia grandiflora is producing a few lovely blue flowers (its tendrils grow clockwise, hence the common name Bengal clockvine). It's a popular houseplant, but it has become an invasive weed in parts of the world, like Australia, especially around waterways. Thunbergia grandiflora; notice small brown scale insects sucki...

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