Hort 235
Week 3
Greenhouse Field Trip
Topics Covered:
High Pressure Sodium Lights
Ficus elastica
Chlorophytum comosum
Crassula argentea
Cycas ruvoluta
Schefflera_arboricola
Other greenhouse pictures
During week three, we visited one of UC's hidden gems - the greenhouse
on the roof of Rieveschl Hall.
Trivia: Dr. George Rieveschl, a graduate of the College of Applied
Science, invented the first antihistamine, found in Benadryl.
High Pressure Sodium Lights
High Pressure Sodium lights give off an orange shade, and is best for
growing flowers. In this photo, the lights are warming up.
Note the difference in shade between the HPS lights and the flourescent
lights.
High Pressure Sodium Lights
Ficus elastica
c: Rubber Plant
The Ficus elastica leaf has a very rubbery feel.
It can grow into a tree - 40 feet tall in Hawaii.
It prefers medium light, some filtered light.
It's a common plant.
Ficus elastica
Ficus elastica
Ficus elastica - variagated
Chlorophytum
comosum
c: Spider Plant
Generally found in hanging baskets.
Variagated versions have stripes.
Propagates via propagules.
Chlorophytum
comosum
Chlorophytum
comosum propagules
Crassula
argentea
f: crassulaceae
c: Dollar Plant, Cauliflower Ears, Elephant Bush, Jade
Easy to propagate.
Succulent plant. Likes cacti, cacti environments.
Crassula
argentea
Crassula
argentea
A Crassula argentea cutting has been
taken
Cycas
ruvoluta
c: King Sago Palm
Very expensive.
Prickly plant.
Kind of hard to kill.
Can be dangerous around kids.
From the Palm group of plants.
Cycas
ruvoluta
Beaucarnea
recuvata
c: Ponytail Palm
Most expensive - $800-$1000
Large growth at the bottom/crown.
Hard to propagate.
Beaucarnea
recuvata
Beaucarnea
recuvata
Large base of the Beaucarnea recurvata
Schefflera
arboricola
A plant from last week, but in large form.
Schefflera arboricola
Other
greenhouse pictures
No need to memorize these.
Lantana - has a very pleasant scent.
Large Leaf Caladium
Plantain
Large vermiculite - left, and small vermiculite - right.
A soil steamer
