What's New on the MG Site?

The Polyphagous Shot Hole Borer, a tiny beetle that drills into trees, has been found in Los Angeles and Orange Counties.  It brings with it a fungus (Fusarium sp.) that infects the trees.

It attacks a wide range of trees, including Avocado, California Live Oak, California Sycamore, Liquidambar, and others.

What vegetables to plant now.

Tips for growing, harvesting vegetables and controlling pests.

April gardening tips from Yvonne Savio on veggies and edible flowers.

New information about boxwood blight.

Downy mildew on impatiens can cause defoliation!

Brown Widow spiders have moved into Southern California. Learn about these relatives of the Black Widow spider...

Bed bugs can be a real problem. Learn about monitoring for their presence...

Some recent questions from the Master Gardener Hotline about avocados:

Fruit drop, blackened fruit, pruning...

Citrus Greening Disease, Bagrada Bug, basil and bee swarms...

Photos of avocado varieties; growing avocados in containers...

Help with bee swarms and information about bees...

All about Tomatoes...

Information on California-friendly plants...

Growing winter tomatoes, grubs in pots or soil, and more...

Storing vegetables, winter vegetable tips, and more...

More about avocados...

Avocados, citrus, soil and more..

New free gardening brochures...

Growing broccoli, edible plants for the fall garden, crop rotation and more...

All about cymbidium orchids...

Fall gardening tips, Stephanotis, ants in citrus, holiday cactus, camellias and more...

Invasive Plants, planting times for cool-season and warm-season grasses, beneficial insects, and a tomato pest...

New Autumn-Winter Hotline Brochure, planting times for cool-season and warm-season grasses, and more...

All about spinach, leafminers in vegetables, and skunks...

Palo Verde trees, citrus problems, avocado varieties, and more...

The summer garden, irrigation tips, strawberries and more...

Tree selection, viburnum, squash and more...

Having trouble with caterpillars in your garden?

Are you seeing brown rot at the bottom of your tomatoes?

Are you having trouble with tomatoes this year?

My plants are growing well but the new growth has aphids. What’s the best way to get rid of them?

Snails and slugs seem to be everywhere in the garden...

Hotline questions about gophers are starting to come in.  Gophers can be extremely frustrating!  Winter and early spring are the times to trap and control populations...

I need help in starting to grow blueberries. 

Do palo verde trees need fertilizer?

Last year, I had an ant problem.  What can I do to avoid the problem this year?

There are weeds sprouting in my lawn, and I’d like to identify them so I can use the right control methods to get rid of them. Can you help?

I have a few fruit trees in my yard, apples, peaches, oranges, and really need some advice on how to prune them. Can you help?

I planted a bamboo hedge in my yard, and it’s really pretty, and I love it.  But now there are runners coming up in places where they shouldn’t. Is there any way to control this better – I don’t want to remove my beautiful bamboo.

The Master Gardeners who are in charge of our School Garden projects and workshops tell the parents at their workshops to talk to the kids' teachers and...

I just planted a blueberry bush which looks like it will be loaded with blueberries.  How do I keep birds and other fauna such as squirrels and opossums from eating the blueberries before I can get to them?

Did you know the the Orange County Master Gardeners are active in the local community?