Thursday, July 8, 2021

Cell Phone Tree Video

 Several weeks ago I was asked by an L.A. Times reporter to discuss, on video, camouflaged cell phone towers; the result is the video below:

Wednesday, June 30, 2021

Great Article on Invasive Shot Hole Borer

The Invasive Shot Hole Borer (formerly called the Polyphagous Shot Hole Borer) is still a threat to native and introduced trees here in California, and although in some cases it seems to be mellowing out just a little bit, it still has the capability of getting worse -especially during the curent severe drought. Here is an article by Rosi Dagit that summarizes that current state of affairs with this pest and also some opportunities to be involved in citizen science efforts to keep track of it.

Tree limb infested with Invasive Shot Hole Borer

Discoloration on bark indicating Shot Hole Borer attack

The Invasive Shot Hole Borer

Thursday, June 3, 2021

June 2nd, Plant Information Class

Plant Info Class Outline and Links:

1.  Pretty Pictures,What to Look for in June and July

2.    Plant Info Questions During the Month
3.    Your Plant Info Questions Answered
4.    Red, White andBlue for the 4th
5.    Beating Back Heat

a.    Heat Damage During the Last Several Extreme Heat Waves

                                                             i.      Strategies for Preventing Heat Damage

b.    Dormant vs. Active Plants and Heat Damage

c.    Leaf Color and Heat Damage

d.    Location

e.    Strategies for Cooling Down

                                                             i.      Trees

                                                           ii.      Water Features

                                                        iii.      Mist and Fog Systems

                                                        iv.      Shade Cloth 

 Arboretum Cool Places Video

6.    How Not To Grow the $30 Tomato. Enjoy these videos about how I was able to grow tomatoes in my back yard despite the utter failure I experienced the year before. 

Wednesday, March 31, 2021

What to Look Forward to in April

Here's some of what you can look forward to seeing at the L.A. County Arboretum and Botanic Garden in April. 
The Canary Island Exhibit shows off plants from that area that do well here in Los Angeles. 

Canary Island Exhibit
The Rose Garden
The Rose Garden
The Madagascar Spiny Forest Exhibit
The L.A. Arboretum Crescent Garden
The L.A. Arboretum Crescent Garden

Erythrina collection on Tallac Knoll.
Melaleuca (Callistemon) collection in the Australian Section. 
Iris in the Kallam Garden
Cactus blooming near Tallac Knoll 
Aloes in the South African Section
Euryops daisies and Yellow trumpet flower tree. 
Looking through branches on a pepper tree on the Bauer lawn. 
Cactus in the Desert Display Garden
Blewit Mushroom
Shaggy parasol mushroom 
Large Engelmann oak. 
Kallam Garden
Iris in the Kallam Garden
Empress tree in the Meadowbrook sectioin. 
Kallam Garden
Fragrant sweet shade growing in the northern end of the Australian Section. 
View from Tallac Knoll. 
Echium sp. in the Canary Island Exhibit. 
Melaleuca (formerly Callistemon) trees. 
Melaleuca (formerly Callistemon) trees. 

Melaleuca (formerly Callistemon) trees. 

Erythrina blooms on Tallac Knoll
Puya blooming in the Desert Display Garden
Iris in the Kallam Garden

Peacock Café
Bauer Lawn -the daisies are Arctotheca calendula. 
Rush leaved Bird of Paradise