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Hort Update for June 7, 2013
| Lawns | Major Symptom: |
| 1. Rising soil temperatures | Time crabgrass control products correctly |
| 2. Cool season turfgrass seeding | Avoid seeding after mid-May. Daily monitoring required. |
| 3. Weed control in new seedings | Wait until after two mowings to apply typical herbicides |
| 4. Smooth & downy brome control | Downy will die soon; no selective control for smooth |
| 5. Summer patch | Spring fungicide applications needed to avoid summer damage |
| 6. White grub prentation | Apply between Flag day (June 14th) and 4th of July |
| 7. Lawn mushrooms | Harmless to lawn; remove to prevent children and pets from eating |
| Trees & Shrubs | |
| 8. Elm flea weevil | Tiny holes chewed into leaves by tiny weevils with long snout. |
| 9. What's wrong with my tree? | Drought damage continues to rise |
| 10. Sirrococcus shoot blight | Tip dieback. Higher incidence on unirrigated Spruce |
| 11. Spider mites | Yellowing to bronzing of leaves; stippled appearance |
| 12. Cedar-apple rust galls | Hard galls encircling twigs; develop orange gelantinous projections during moist periods |
| Landscape Ornamentals | |
| 13. Mulching ornamentals | Apply 2 to 3 inches of organic mulch |
| 14. Keeping perennials neat & tidy | Cut plant back after first flower flush |
| Fruits & Vegetables | |
| 15. Strawberry leaf spot | Reddish purple spots on leaves; some leaf browning |
| 16. Strawberry bed renovation | Renovate in June after harvest is complete |
| 17. Tree & small fruit pest control | Follow spray schedule for good pest control |
| 18. Squash bugs | Black shield shaped adult bugs; reddish eggs on leaf undersides |
| 19. Tomato early blight & septoria leaf spot | Brown leaf spots with concentric rings, leaf yellowing from bottom up |
| 20. Morel mushrooms | Where and when to find morel mushrooms |
Local Conditions
Dry conditions persist throughout Nebraska. Stay informed on current conditions, and public water utilities restricting water use. Visit UNL Drought Resources.
Your Weather Forecast
- Nebraska's local Soil Temperatures
- US Drought Monitor

