Author Archive for Pat Welsh

Salvia Greggi

Gardening Question From Leslie: Planted 5 5-gallon Salvia Greggi (red sage) in my brand new drought tolerant garden in mid November. With the winter rains the plants grew and are bearing many beautiful long sprigs of red flowers that hummingbird enjoy. When should I prune and how long should I leave the stems? Answer From […]

Kniphofia “Ember Glow”

Gardening Question From Lesley: Planted three 5-gallon Kniphofia “Ember Glow” in bloom in mid November. Six months later the plants have doubled in size but no bloom spikes. When should I expect plants to bloom again? Answer From Pat: The bloom season of most kniphofia is May and June. To me that is too short. […]

Pruning Cassia Leptophylla

Gardening Question From Suzanne: We have one of these trees in the front yard of our Huntington Beach home. It has grown rather large and unruly. Can we have it pruned now or must we wait until autumn? Answer From Pat: Cassia leptophylla should be pruned only when necessary to correct shape or control spread. […]

Grasshopper Control

Gardening Question From Kimberly: We live in New Mexico. Have developed a very bad infestation of young grasshoppers. Suggestions? Answer From Pat: Grass hoppers are ground-dwelling insects which, when conditions are just right, appear in swarms at which time they’re known as locusts. Swarms of locusts have at times changed human history and thus were […]

Evergreen Trees

Gardening Question From Mila: I live in Santa Clarita CA, 91355.  I currently have an Olive Tree in my front yard.  Last year it started bearing fruits that stained my concrete and littered my lawn.  My gardener also stated that it needs to be removed soon since it will eventually damage my concrete.  I am […]

Container Size For Bowers Vine

Gardening Question From Molly: Hello! I’ve purchased 4 15-gallon containers of Pandorea Jasminoides – Bowers Vine – that I want to train onto my wooden fence. I want to upgrade the containers which are currently plastic buckets. Would rectangular boxes work? I have a narrow driveway that needs to accommodate my car, so I can’t […]

Alkaline Vegetable Garden Soil

Gardening Question From Adriana: I added lime to my vegetable garden soil and I killed everything i planted last year. I tested the soil this year and it still shows too alkaline. What would be an easy repair? Buy compost bags and add to soil? or Nitrogen only? thanks Answer From Pat: Never add lime […]

Wilted Passionfruit Vine

Gardening Question From Allen: I purchased a passion-fruit vine to grow indoors. I set up a trellis and planted the plant in a very large container. I was growing beautifully. Plenty of morning sun, watering once a week and “spritzing” the leaves daily. One of the blogs I had read on-line suggested 10-10-10 fertilizer at […]

Gophers and Bird of Paradise

Gardening Question From Carolyn: I have a raised planter bed that has become a popular nibbling ground for gophers.  I’m removing the purple fountain grass that has succumbed and thinking about planting bird of paradise.  I live in San Diego about 2 miles inland from the ocean. Thank you!   Answer From Pat: You mention […]

San Diego Hillside

Gardening Question From Janet: I live in San Diego, in the mission bay area. I have a huge hill/ slope in my back yard. I have planted Rosemary and ceonothus. Some survived but the side of the hill that didn’t survive there was a pine tree at the top of the hill. We have since […]