Brown/Black Tips And Black Spots On Tabebuia Impeginosa

Gardening Question From Lynn: We are in Culver City,Ca and have three one year old Tabebuias all of which are developing black/brown tips of leaves as well as black spots. Could this be a drainage issue, and/or over watering or part of the semi deciduous process? Our arborist suggests over watering. Any tips on how […]

Propagating Podacarpus

Gardening Question From Bee: Could you please tell me how to start a podacarpus from a cutting?  My neighbors have really ugly wooden fences (we live in Florida) and I think a living fence would be so pretty.  I have seen them formed into beautiful hedges and that would be perfect for what I want. […]

Silver Sheen VS Podacarpus VS Purple Hop Bush

Gardening Question From Maria: Hi, I live in Irvine, CA, and I am looking for replacement for privacy hedge/trees for our two 20 foot Camphor trees. Unfortunately, the Camphors had grown too big and lifting our concrete and messing up our pipes. The trees will be right by our main patio area so I prefer […]

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. […]

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 […]

Using California Pepper Tree Leaves

Gardening Question From Kathleen: I’m testing my young orange tree with a ph tester, and noticed the soil is too far on the acidic side. I was wondering if the leaves fallen from my California pepper tree would help to balance the levels out?     Answer From Pat: Never dig anything into the soil […]

Pepper Trees

Gardening Question From Glennis: We are in escrow of a home in Banning, CA. There are what we believe to be two very large California Pepper trees lining either side of the driveway. I can direct you to the website that will show you the front of the house if you would be so kind […]

Columnar Aspen

Gardening Question From Barb: I have a group of columnar aspens in my yard and this year they have grown huge leaves at the very top.  The leaves are easily 5 times larger than the other leaves and have appeared only on the new growth.  The trees are bent over on the top due to […]

Shaping A Young CA Pepper Tree

Gardening Question From Sylvia: Hello, I have two single trunk trees around 40 ft away from each other…… I wanted multi trunks but they were not available. I was wondering how to shape the tree so that some of the lower branches can grow in a dramatic fashion. Do I pick a branch that I […]

New Zealand Christmas Tree

Gardening Question From Roz: I have bought each of your b ooks. I live in OceanHills Country club. I want to know when is the best time of year to prune Metro………New Zealand Xmas tree.l? I grow all my own vegs: I am English…what more can i say? Answer From Pat: New Zealand Christmas tree […]