Tagged: fungus
Rose trouble: Attack of the gray mold
This California Dreamin’ rose shows effects of botrytis. The fungus attacks blooms or buds moistened by dew, fog or sprinklers. (Photos: Debbie Arrington) Our warm autumn weather prompted many roses to push out fresh...
What’s wrong with my tomatoes?!
This is the easy problem to diagnose on tomatoes: Sunburn. Put up some shade cloth to protect the ripening fruit. (Photos: Kathy Morrison) What’s wrong with my tomatoes? That July refrain can be heard...
What’s wrong with my roses? (Hint: Weird weather)
Unusual spring conditions prompt problems for Sacramento-area roses Botrytis freckles and browns the edges of a Pink Promise rose. (Photos: Debbie Arrington) May usually is the rosiest month in Sacramento. Warm, dry days coupled...
Warm almost-spring days bring out powdery mildew in the garden
This photinia is plastered with powdery mildew. Trim off infected foliage to try and curb its spread. (Photo: Debbie Arrington) Spring seemed to arrive early this year – and so did the powdery mildew....
Late pruning is better than no pruning
This Pink Promise rose needs pruning. (Photo: Debbie Arrington) Some roses just don’t know when to give up. They keep blooming and blooming – and never go dormant. In Sacramento, our unseasonably warm weather...
Gray mold attacks autumn roses
Gray mold, also called botrytis, ruins rose blooms. (Photo: Debbie Arrington) Gray mold has me feeling blue. I love autumn roses. Hundreds of rosebuds in my garden had me envisioning fresh bouquets this holiday...
Got leaf curl? Peach trees need TLC now
Distorted and blistered leaves are signs of peach leaf curl. Now is the time to spray peach and nectarine trees to control it. (Photo courtesy UC Statewide Integrated Pest Management) It may be Thanksgiving, but it’s time to talk peaches....
What makes rose buds turn brown?
This First Prize bud never got to bloom — it’s been infected by botrytis ci nerea. (Photos: Debbie Arrington) Rotten roses follow botrytis fungal outbreak My bushes are full of rotten roses. I know...
Expert tips on pruning roses
This is the State Capitol World Peace Rose Garden in full bloom. To get those roses looking their best, founder and curator T.J. David starts pruning in mid-December. (Photo courtesy International World Peace Rose...