Skip to main content

Dunking and re-purposing plant crates for use as risers in the greenhouse

Coordinator A... retrieved several plastic plant crates, I estimate around 30 of them, from a local commercial greenhouse. He intends to use them as plant risers in Collection Room 2, the ancient rainforest biome. The plants in that room grow especially well and often crowd each other out of light and space. His thought is to lift some of the plants up on risers to create layers of plants. This will allow some of the smaller plants access to air and light.




My task for the day was to clean the plastic plant crates. They had been sitting outdoors, collecting grit and leaves. Many of them had paper labels glued to them, which looked a bit unsightly for an academic greenhouse collection. The labels had to go too.

A... brought me to the special room for cleaning and sterilizing plant pots. The room has industrial sinks and hoses as well as large oven-like sterilizer machines. I used the sinks and hoses to clean the crates, then dunk them into an antiseptic soap solution, then finally rinse them again. The result was relatively clean crates, free from outdoor pathogens (largely), ready for use as plant risers.


Dunking seems to have been the word for the day. I had baked two-dozen almond biscotti and brought them for the crew. I wrote a note on the container asking that they be dunked, to avoid dental injuries! 




Comments

Popular posts from this blog

A Sensitive Plant and Common Weed

Mimosa pudica, also commonly called the sensitive plant  was a popular houseplant when I was growing up in the 1970s. It was popular for its ability to quicky change shape by folding up its leaves to protect them from herbivore predators. At the slightest touch the plant is able to expell water from special cells in the leaves, changing the shape from frond-like to a stick-form. The plant creeps along the ground, never for than a foot or so in height. In tropical parts of the world this plant is considered and invasive weed. Today, as I was treating plants to remove pests I happened to touch the leaves of a Mimosa pudica , one with a pretty puff-like flower. Sure enough, the leaves all folded up to almost nothing. Mimosa pudica , the sensitive plant Other more routine chores during my four-hour shift at the U of M Conservatory included cleaning three plants of Hibiscus clayi, native to Hawaii. These three plants in particular have suffered repeated infestations with a variety of in...

Bog Monsters

As a layman of botany the idea of carnivorous plants has perplexed me. The capturing and eating of other creatures seems like it ought to be limited to animals, since animals are mobile and plants are not. Almost all plants survive and thrive in the world through photosynthesis. They do not need to feed on animals to survive. But, what about the group of plants that are carnivorous? As stationary plants, why and how do they eat critters? This topic was stimulated by my assignment today at the Conservatory Greenhouse of the University of Minnesota. My task was to clean several large tanks of water filled with aquatic plants. While cleaning the tanks I realized many of the plants were classified as carnivorous . What is it about the aquatic environment that causes plants to eat - in effect - other creatures? The short answer is carnivorous plants evolved in nutrient-poor settings such as pond water which is naturally low in the amount of nitrogen needed to synthesize proteins. To compens...

Autumn Inside the Greenhouse

I felt the firm grip of fall as I walked the half-mile from the parking lot to the Conservatory Greenhouse at the University of Minnesota, where I volunteer. The temperature outside was in the 30s, and the wind whipped at my face. Yesterday there had been snow flurries.  In stark contrast to the outside world, the greenhouse climate was quite different. Part of the greenhouse is maintained at near-tropical temperatures. But other sections of the greenhouse are kept significantly cooler to support plants that have evolved in seasonal climates. Although indoors, autumn has arrived here too. The sunlight dims, and the nights grow long. Inside these cool greenhouse rooms the plants shed their leaves and virtually cease growth for the winter months, just as they would outdoors.  Part of my assignment for today included the pruning of yellowing and brown leaves. Removing the dead foliage from the plants and the floors helps to reduce the overall risk of mold and other pests affectin...