Santa Barbara County
University of California
Santa Barbara County

Coastal Gardener

This garden column provides answers and information on home, garden and landscape problems.

Issues Articles Type Date Added
December 2007 - a Gardening books Farewell PDF 11/13/08
November 2007 - b Pitch canker in pine trees Winter fruit tree care PDF 12/12/07
November 2007 - a Fertilizing Persimmon Trees Iron Chlorosis in Persimmon Trees PDF 9/29/08
October 2007 - c Grass cycling PDF 9/9/08
October 2007 - b Juniper twig girdler (jtg) PDF 8/26/08
September 2007 - b Raised beds PDF 8/5/08
September 2007 - a Termites in bottlebrush tree Flies in the yard PDF 7/18/08
August 2007 - b Additional information on brown patches in your lawn Thrips injury on nectarines PDF 7/17/08
August 2007 - a Willow leaf gall sawfly Black scale PDF 7/17/08
July 2007 - a Eugenia psyllid Watering your lawn PDF 7/16/08
June 2007 - a Tree removal Leaf curl in nectarines & peaches PDF 6/24/08
May 2007 - b Discussion about soil pH PDF 9/4/08
May 2007 - a Gopher control PDF 10/6/08
April 2007 - b Codling moth control PDF 4/4/08
April 2007 - a (a) Freeze-tolerant plants (b) Apricot tree affected by brown rot PDF 4/3/08
March 2007 - b Nematodes & marigolds Dwarf lemon tree & rootstock problem PDF 3/14/08
March 2007 - a Sources of organic matter and nutrients for your garden soil PDF 3/10/08
January 2007 - c Rehabilitation of Freeze-Damaged Plants PDF 2/12/08
January 2007 - b The coast live oaks in my area are showing increasingly brown leaves. There is no new green leaf formation. Could this be sudden oak death syndrome? PDF 1/10/08
January 2007 - a There are some areas of my yard that do not drain well. After a rain the water may stand for several days. What can I do to improve the drainage? PDF 8/13/08
December 2006 - b Dealing with frost injury to plants PDF 1/22/08
December 2006 - a I have a terrible whitefly problem in my southern exposure backyard . . . This problem has occurred two years in a row now. How do I get rid of this problem once and for all? PDF 12/10/07
November 2006 - b (1) Armillaria root rot (2) Garden cleanup PDF 12/5/07
November 2006 - a (1) Rabbit problem in the yard (2) How to incorporate raw organic matter into the soil. PDF 12/5/07
October 2006 - a (1) Booklice (2) Oleander aphids (3) Cypress canker PDF 12/14/07
September 2006 - b (1) My fuchsia bush produced beautiful blooms this spring and early summer. Now, however, many twig tips and their leaves are becoming deformed, and the flowers are misshaped or do not even develop. What causes this problem? Can it be cured? PDF 12/4/08
September 2006 - a (1) A few days ago I was picking some long-awaited tomatoes in my garden. To my dismay, I discovered several green tomatoes that were half-eaten, and many leaves had disappeared with only stubs of leaf stems remaining. I can find no "critter" causing the destruction. Can you help? (2) The leaves on my lantana have developed ugly, gray-brown, circular blotches of dead tissue. What causes this injury? The leaf tissue in the spot is paper thin, and there is often black residue in the spot. PDF 2/8/11
August 2006 - b (1) The fruit on my tomato plants has developed circular, gray-brown lesions. The lesion is slightly sunken and leathery in appearance. I have also removed a number of dead leaves from the plants. The leaves turned gray and dried up very quickly. What is the problem? (2) The leaves on my roses are developing small windows and some holes. The damage is not severe, but it does damage the beauty of the roses. Can this problem be controlled? PDF 2/8/11
August 2006 - a (1) Lawns turning yellow (2) The leaves on my roses and bougainvillea are disappearing. Circle-shaped notches appear first in one area, and then the leaf gradually is all gone. I can find no worm or beetle causing the problem. Can you help? PDF 12/4/08
July 2006 - b (1) I have an apricot tree. This year it had a very small crop, but - even worse - the few fruits present were very small! Can you help? PDF 9/8/09
July 2006 - a (1) I planted several zucchini squash in my garden. They are growing fine and producing many flowers; however, the fruit gets about 3-4 inches long and then rots at the tip. What is wrong? (2) This "huge" reddish brown beetle flew into my window last night. The buzz was quite loud, and the thud on the window sounded like someone threw a small stone. Is this thing dangerous to me or my cat (who wants to eat it)? (3) I have planted potatoes in my garden. When can I start digging them? PDF 2/8/11
June 2006 - b (1) I have small black and orange "alligators" crawling over my orange tree. What are they? (2) My lawn has developed a serious infestation of oxalis weed . . . PDF 2/8/11
June 2006 - a (1) Botrytis fungus and other diseases and insects affecting garden flowers (2) I have an asparagus patch . . . PDF 2/8/11
May 2006 - a (1)I have a seven-year-old Haas avocado which I bought at a nursery. It has yet to bear a crop of fruit. What is wrong with my tree? (2)Response to mole control article. PDF 2/8/11
April 2006 - a Trapping recipe for coddling moth PDF 1/30/08
March 2006 - b Mole control PDF 1/31/08
March 2006 - a Milkweed bugs & boxelder bugs Brown rot control for fruit trees PDF 1/30/08
February 2006 - c Ground squirrels PDF 2/8/11
February 2006 - b Root knot nematodes in fig tree root system PDF 5/10/10
February 2006 - a Fruit cracking in citrus PDF 5/7/08
January 2006 - b Apricot varieties for culture along the Central Coast Wound paint - should I use it? Slimy black substance in the yard PDF 8/19/08
January 2006 - a Leaf curl in peach & nectarine trees PDF 2/8/11
December 2005 - b Powdery mildew of oaks DOC 6/11/08
December 2005 - a Whitefly infestation on hibiscus bushes DOC 2/3/11
November 2005 - b "Shelf fungus" on oak trees "Drugstore" beetles in the house DOC 1/27/09
November 2005 - a Avocado fruit drop Yellowing & dropping of citrus leaves DOC 2/8/11
October 2005 - b Living with oak trees DOC 4/23/09
October 2005 - a Duckweed control in the pond RTF 4/23/09
September 2005 - b Two-horned oak gall wasp Pine scale DOC 12/2/08
September 2005 - a Several disorders causing tomato vine decline DOC 2/8/11
August 2005 - c Whitefly infestation DOC 2/8/11
August 2005 - b Landscaping around oaks DOC 2/8/11
August 2005 - a Powdery mildew on pumpkins Moss & algae growth in shaded areas DOC 2/8/11
July 2005 - b Grapes and powdery mildew Pollination of zucchini squash Tomatoes and nitrogen deficiency DOC 2/8/11
July 2005 - a Jacaranda trees on the Central Coast Climbing roses producing suckers DOC 2/8/11
June 2005 - b Buying, mixing and applying plant protection products Lilies and cats DOC 1/3/08
June 2005 - a Earwigs DOC 2/8/11
May 2005 - b Bee swarm in your backyard Bats around the house DOC 2/8/11
May 2005 - a Lichens Staked vs. unstaked trees DOC 2/8/11
April 2005 - b Powdery mildew on apple trees Rose rust DOC 2/8/11
April 2005 - a Codling moth worm control DOC 2/8/11
March 2005 - d Brown garden snail Termites DOC 2/8/11
March 2005 - c Pollination Railroad ties for raised beds DOC 2/8/11
March 2005 - b Chilling hours DOC 10/28/08
March 2005 - a Composting DOC 2/8/11
February 2005 Blood orange variety for the Santa Maria area How much light does a fruit tree need? No cure for rose viruses DOC 2/8/11
January 2005 - b Queen palm decline Avocado damage DOC 2/8/11
January 2005 - a Avocado tree grown from seed Grafting DOC 2/8/11
December 2004 - b Cool season vegetables DOC 2/8/11
December 2004 - a Pruning avocado trees DOC 8/13/08
November 2004 - b Skunks DOC 2/8/11
November 2004 - a Gulf Fritillary butterfly DOC 2/8/11
October 2004 - b Mushroom season Fruit rats DOC 2/8/11
October 2004 - a Landscape, lawn and garden fertilization DOC 11/26/08
September 2004 Iron chlorosis Cucumber beetles DOC 2/8/11
August 2004 - b Dry patches in lawns Rose slugs and leafcutter bees DOC 2/8/11
August 2004 - a Corkscrew willow propagation Yellow jackets DOC 2/8/11
July 2004 Zucchini squash pollination Spittlebug DOC 5/30/08
June 2004 West Nile Virus Walnut blister mites DOC 2/8/11
May 2004 - b Niger seed Dogwood problem DOC 2/8/11
May 2004 - a Rose viruses Springtails DOC 2/8/11
April 2004 - b Red welts caused by playing on the lawn Invasive, noxious weed pests DOC 2/8/11
April 2004 - a Top 10 Pesticide Blunders at Home DOC 2/8/11
March 2004 - c Gray and white mold fungi Snail and slug management and control DOC 9/12/08
March 2004 - b Attracting and feeding hummingbirds DOC 2/8/11
March 2004 - a Lecanium scale Roof rats DOC 2/8/11
February 2004 - b Earthworms Avocado varieties DOC 2/8/11
February 2004 - a Pear conditioning DOC 2/8/11
January 2004 Strawberries DOC 2/8/11
December 2003 - b Pruning roses and fruit trees Deer-resistant landscape DOC 2/8/11
December 2003 - a Mice in the house DOC 2/8/11
November 2003 - b Diazinon use in California Deer-resistant/tolerant plants DOC 2/8/11
November 2003 - a Citricola scale DOC 2/8/11
October 2003 - c Spider webs and wrought iron fences Mealybugs DOC 8/18/08
October 2003 - b Terrestrial flatworm DOC 2/8/11
October 2003 - a Striped-tail scorpion DOC 2/8/11
September 2003 - b Glassy-winged sharpshooter "Hungry" bougainvillea DOC 2/8/11
September 2003 - a Distorted lemons Aphid infestation on citrus tree DOC 2/8/11
August 2003 - b Chard infected by powdery mildew Fig rust DOC 1/29/08
August 2003 - a Whiteflies on tomato plants Irregular pine scale DOC 6/12/08
July 2003 - b Avocado problems Cucumber Mosaic Virus on squash DOC 9/1/08
July 2003 - a Skin cracking, split pits, and skin russetting of nectarines DOC 3/5/09
June 2003 - b Powdery mildew in oaks Pest control for the home gardener DOC 2/8/11
June 2003 - a Leafspotting Defoliated rose bushes DOC 3/3/08
May 2003 - b Tomatoes - a warm season crop Black widow spiders DOC 6/5/08
May 2003 - a Grasshoppers Hydrangea and virus infection DOC 12/8/08
April 2003 - b Crabgrass DOC 3/30/09
April 2003 - a Are petroleum residues harmful to plants or animals? DOC 6/3/08
March 2003 Poison oak DOC 2/8/11
February 2003 - b Algae in the landscape Ticks DOC 2/8/11
February 2003 - a Flower abortion on olive trees Broadleaved weeds in lawns DOC 8/20/08
January 2003 - b Scale insects DOC 2/8/11
January 2003 - a Moss DOC 2/8/11
December 2002 - b "Upland soils" on the Central Coast DOC 2/8/11
December 2002 - a Lawn mushrooms Omnivorous leafroller DOC 2/8/11
November 2002 Root knot nematodes DOC 10/20/08
October 2002 - c Carpet beetle Fruit tree varieties for the Central Coast DOC 6/12/08
October 2002 - b Argentine ant DOC 2/8/11
October 2002 - a Gummosis on plum tree More information on Africanized honey bees DOC 2/8/11
September 2002 - b Tobacco budworm Norfolk Island pine scale DOC 2/8/11
September 2002 - a Grapes and powdery mildew Africanized honey bees DOC 2/8/11
August 2002 - b Purslane Baking soda and powdery mildew fungus DOC 5/28/08
August 2002 - a Pear psyllid Wood ashes Spittlebug DOC 2/8/11
July 2002 Citrus pests Persea mites on avocados Plant stress DOC 5/27/08
June 2002 - b Cabbage loopers Whiteflies DOC 2/8/11
June 2002 - a Black vine weevil Oak leaf blister DOC 2/8/11
May 2002 - b Daylilies Black fly DOC 2/8/11
May 2002 - a California oak worm DOC 4/21/08
April 2002 - b Gopher control DOC 2/8/11
April 2002 - a Rust fungus in lawns Roses and aphids DOC 2/8/11
March 2002 - b Shriveled walnut meat Mulch under trees and shrubs DOC 4/19/08
March 2002 - a When to plant your garden in the Santa Maria area Growing a pineapple plant from a pineapple top DOC 2/8/11
February 2002 Millipeds Snails and slugs "Hardening" of plants DOC 8/28/08
January 2002 Tree and shrub planting DOC 4/17/08
December 2001 Little black ant control DOC 4/16/08
November 2001 - c Brown rot DOC 4/14/08
November 2001 - b Lawn grass and trees Extending the tomato season Tree pruning DOC 2/8/11
November 2001 - a Edible and non-edible fruit DOC 2/8/11
October 2001 - b Yellow jackets Codling moth and walnut husk fly DOC 3/26/08
October 2001 - a Cottony cushion scale DOC 2/8/11
September 2001 - b Rabbit control Mole control DOC 2/8/11
September 2001 - a Whiteflies on hibiscus Virus infection on pumpkins DOC 8/13/10
August 2001 Seed germination and dead seedlings DOC 2/8/11
July 2001 - b Rats DOC 2/8/11
July 2001 - a Swallowtail butterfly Tomato russet mites Leafcutter bees DOC 2/8/11
June 2001 - b Iron chlorosis DOC 8/14/08
June 2001 - a How to protect your flower beds from feeding injury DOC 6/15/08
May 2001 - b Lawn fertilization and watering DOC 2/8/11
May 2001 - a Ground squirrels Rose slug DOC 6/12/08
April 2001 - b California red scale Rose rust DOC 2/8/11
April 2001 - a Proper mowing heights for California turfgrass Eucalyptus wood chips Railroad ties as garden borders and for making raised beds DOC 2/8/11
March 2001 Arsenic powder Spiders DOC 2/8/11
February 2001 Grey mold White or brown spots on leaves DOC 6/11/08
January 2001 Repotting cymbidiums DOC 6/11/08
December 2000 - b Clothes moth Avocado harvest dates DOC 3/24/08
December 2000 - a Christmas trees Honeydew and sucking insects DOC 2/8/11
November 2000 Fungus gnats Scale insects DOC 3/24/08
October 2000 Leaf scorch on maple trees Olive knot on oleander DOC 2/28/08
September 2000 Oak galls Red gum lerp psyllid DOC 4/16/09
August 2000 Lacewing Chinese wax scale Powdery mildew on coastal live oak DOC 3/14/08
July 2000 - b Take care of your skin! DOC 3/13/08
July 2000 - a Aphids Invasive exotic pest - Scotch broom DOC 2/8/11
June 2000 - b Italian cypress hedge Seedlings and garden insects DOC 2/8/11
June 2000 - a Whiteflies DOC 2/8/11
May 2000 - b Oak tree defoliation Oak bark beetle DOC 9/29/09
May 2000 - a Fireblight Asparagus harvest DOC 2/8/11
April 2000 Spraying of fruit trees Codling moth trap DOC 3/8/08
March 2000 Tree removal Growing vegetables in planter boxes DOC 10/11/09
February 2000 - b Information sheets for garden problems DOC 6/10/08
February 2000 - a Insect damage on oranges Time to spray DOC 2/8/11
January 2000 - b More on potato bugs Fruit splitting DOC 2/8/11
January 2000 - a Potato bugs Earwigs DOC 2/8/11
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