With the hot weather many weeds are growing rapidly and some will begin to go to seed. Weeding at least once a month is advisable for orchards and food forests throughout the summer months! POP's weed identification guide
is available for sale on our website and we always have free copies to distribute to community orchard partners. Check out POP’s guide to Ramial Wood Chips and Weeding in Place
By August, second year canes of raspberries will have finished fruiting and begun to die back. These dead canes can be pruned out anytime between late summer and late winter. For blackberries, tip back first year canes (non-fruiting) to encourage greater side branching for next year's harvest.
Pruning back the tops of 1st year blackberry canes in mid summer can help induce side branching, leading to larger harvests the following year.
During the summer months, most pruning should be limited to emergency pruning only.
Keep an eye out for any diseased, damaged, or dead wood that should be pruned away no matter the season. Pay special attention to the base of trees - especially of the stone fruit varieties: apricots, peaches, plums, nectarines - and prune away root suckers, the quick upright growth that can be a cover for dreaded borers, which make a home beneath trunk wood.
Bacterial canker on cherry and other stone fruits can often be identified by gummosis or oozing sap. This disease is best cut out using a sharp sanitized knife during hot,dry weather.
Remember: use sharp, rust-free hand tools and sanitize between every cut for disease prone trees during the growing season. For easy disinfecting, we recommend carrying a spray bottle with you of rubbing (isopropyl 70%) alcohol or a bleach solution (1 part bleach: 10 parts water) to wipe down tools.
Pest and Disease Monitoring & Identification
Many orchard pests and diseases are active throughout the summer months and it is important to continue weekly monitoring of your plants to identify and manage challenges. Some of the most common insect pests to contend with in August include:
Observe your orchard regularly throughout the year for pest and disease problems, identify and respond appropriately. We've begun distributing physical copies to community partners, but in the meantime you can check out our POP's Scouting Guides for pest and disease management available for download on POP's website:
These guides are intended to help properly identify the insect pests and diseases that affect the following common fruit trees:
The guides include lots of photos and a description of how to identify the particular pest or disease and the damage caused by it. Proper identification is essential to treating these problems, as each has its own unique options for management! Once you have identified a pest or disease, you can then consult our website for management recommendations by using our search function:
Remove Damaged and Dropped Fruit
Although the ideal time for thinning fruit
has passed, it is still advisable to continue to monitor your developing crops for insect and disease damage and remove the affected fruit. Similarly, it is best to gather any fallen fruit to avoid the further spread of pest and disease challenges. All fruit should be disposed of by adding to a hot compost system, feeding to poultry, or bagging up to remove from the site.
Distinctive crescent shaped scars from the Plum Curculio weevil can be found on pome and stone fruits. Remove affected fruits, dispose of dropped fruit, and watch out for a second generation of this common pest in late July and August! .
Look out for ripening blackberries, peaches, plums, figs, Asian pears, apples, grapes, cornelian cherries, jujubes, elderberries, rose hips, chokeberries, maypops, perennial herbs and greens, and more! Record your harvests using our handy POP Harvest Tracking Sheet
Enjoy the summer harvests and stay cool in the heat!