Skip to main content

Vine pruning and support

 I arrived by bicycle again today. The weather was cool - low 60s F- and almost drizzling. But, the bike ride was pleasant enough to enjoy.

Al... was the only person in the workroom when I arrived at 10a. She had finished watering all of the rooms. She suggested I could work on vine maintenance in room 3c, which I did.

I first inspected the low table holding the vining plants in 3C. I decided what tools I’d need, and returned to the workroom to gather the supplies:  pail, clippers, green tape, latex gloves, bucket of soapy water.

I started by cleaning the soot from a “scrambling” hydrangea (Hydrangea obtusifolia, scrambling shrub, native of China) sitting next to a small wood trellis. Next, I selected the longest tendrils on the hydrangea plant and attached them to the trellis using the green stretchy tape. I was careful to attach the vine tendrils on one side of the trellis only because there was another different vining on the opposite side of the trellis. Later, I read the plant is not considered a climbing hydrangea, but rather a scrambling hydrangea. The two most common species of climbing hydrangeas are H. integrifolia and H. serratifolia (both are evergreen). H. seemannii is a climber, but not evergreen.

Having finished the side with the hydrangea, I went to the opposite side of the trellis to take down and reattach the Delavay honeysuckle (Lonicera similis, from Asia). The vine had a fragrant and showy spray of white and yellow tubular blossoms at the end of one of the main branches. As I left the building for the day I told Curator J... what I had done to the hydrangea and honeysuckle vines. He is doubtful the hydrangea will act like a climbing plant. He is likely correct.

Finally, I washed sooty mold off the leaves of 3 other vining plants on the same bench as the two vines mentioned already.

B... introduced me to Intern D..., who is a new intern at the Greenhouse.


September 7th, 2023 (photos above)


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...