Miscellaneous Reports Index 2018 - 2024 - Landscape and Nursery IPM Alert

Topic Report Date
Abiotic problem on boxwood 23Dec14 (bronzing of foliage)
Acorn set

23Oct13, 23Oct06 (heavy)
Adjuvants 23May12 
Adventitious roots

24Aug09 (rosemary)

18May04 (cherry)
Animals (hoarding food?) 20Aug21
Apple phenology blooms and fruit set 24Apr05
Arizona cypress 'Blue Ice' in Maryland 24Aug16
Asphalt around plantings 20Jun26
Bad looking hollies 18May18
Bad planting sites 19Jun07
Banana 'Basjoo' (cold hardy) 19May03
Bats (beneficial)

23Mar02 (long-eared bats and timber harvests)

18Aug17, 18Jun29
Batteries and the environment 22Sep02
Batteries, electronics, and heat 24Jul26
Birds, as predators of insects

24Feb29 (in nurseries)

23Oct06
Bloom, delayed and out of season

21Jan15, 21Feb12

20Nov13
18Nov02, 18Oct19, 18Oct12
Browning oaks in the landscape 20Sep25, 19Oct11
Burning of turf from pet urine 21Sep10
Cherry defoliation 18Aug03
Christmas tree availability (and bad weather) 21Oct29
Containers 22May13 (poor quality shipped in)
Corn that fixes nitrogen 18Aug31
Coyotes in Maryland 20Sep25
Crape myrtles 24Mar22 and 24Feb29 (pruning issues), 24Feb21 (single stem)
Crows and ravens 18Aug17, 18Aug03, 18Jul27
Daikon radish

24Feb29 and 24Feb21 (still seeing green tops this late)

22Sep16, 22Sep09
Damage (from various animals)

24Aug09 (porcupine)

21May28
Damage, cold/winter

24Mar29

22May06 (ginkgo), 22May06, 22Apr22, 22Apr15 (fruit), 22Apr01

21Apr30, 21Feb26

20May29, 20May22, 20May15, 20May08, 20May01, 20Apr24
19Jul12 (crape myrtle), 19Apr05, 19Mar29
Damage, deer

24Sep27 (on arborvitae), 24May10

23Apr07

22Mar25 
21Apr23 
20Nov13
19Apr12, 19Apr05

18Aug03, 18Jun01
Damage, after extended dry periods 19Oct11, 19Oct04
Damage, after extended wet periods 19May03, 19Apr26 (on Taxus yews)
Damage, cracks 23May05 (crabapples)
Damage, foliar 22May27 (due to bud injury), 22May06 (abiotic 'bruising on strawberry)
Damage, freeze and frost 20Apr17
Damage, girdling

24Apr12

23Apr21 (not removing nylon twine)
Damage, herbicide 23Aug04 
20Sep18 (and fertilization)
Damage, lightning

20Jul10
18Aug24
Damage, ozone 22Jul29
Damage, from plant growth regulators 20Jul10, 20Jul02
Damage, raccoon 20Oct30
Damage, red fox 20Nov13
Damage, snail 20May08
Damage and activity, squirrel

24Oct04, 24Aug02

22Apr08 
20May22, 20Apr03
19Aug16 (management), 19Aug09 (American hornbeam), 19Aug02 (zelkova)
Damage, storm

24Apr05

22Jul29, 22Jul22, 22Jul15 
21Jun04
Damage, sunscald 21Jul16
Damage, voles and rabbits 21Apr16
Damage, moles and voles 22Apr29 (voles), 22Mar25
Damage, winter 23Apr28 (on arborvitae)
Damage, woodpecker/sapsucker

24May24, 24Apr19, 24Apr12

23Apr28, 23Apr07, 23Mar24

22May06, 22Mar25 
21Jun11, 21May14, 21Feb12

20Nov13, 20Sep25, 20May15, 20May01, 20Apr10, 20Apr03
19Sep13
Dead ash trees

18Oct12
Deer

24Aug16

23Oct13, 23Sep15, 23Sep08, 23Aug11

22Sep02, 22Jan11
20Sep04, 20May22 (correction to plant ID), 20May15 (deer resistant plants)
19Aug16
18Nov02, 18Oct19
Defoliation (leaf drop), premature

24Sep06, 24Aug16, 24Jun14 (cherry), 24May24 and 24May17 (callery pear)

23Sep15  
22May06 (American holly) 
20Oct09
19Oct18 (cherry), 19Oct11 (cherry trees and honeylocust)
Diagnosing problems 20May29
Dieback, arborvitae 23Oct27
Dieback, Japanese maple 18Apr20
Digging nursery trees in dry ground 20Oct02
Digital photos: aiding a diagnosis 20Mar27
Diseases causing plant collapse 24Oct04
Disease field trials on fruit trees 18May04
Dogwood, color change on bracts 22Jun10
Drainage in nurseries 18Jun01
Drones 20Nov24
19Jun14
Drought - impact on plants 23Jun02 
22Sep02   
18Jul06 (turf)
Drought, impact on spraying pesticides 23Jun09
Drought (management practices) 23Sep01
Dying arborvitae 24Sep13, 24Sep06
Electric equipment 23Jun09 (vehicles) 
22Nov22
Energy savings in horticulture 22Aug26
Excessive fig growth 21Oct29
Excessive mulch 18Apr20
Exfoliating bark 21Jul23
Fall color 23Oct20 (and leaf blowers)  
22Oct14 (white pines) 
20Oct16
Fertility management

24Apr12 (growing season management, also fruit trees)
19Sep06 (fall fertilization)
Fertility management - difficulties of lowering pH 20Apr24
Fertility management - Nitrogen 20Apr03
Fertilizer alternatives 22May27
Fertilizer costs 22Apr15
Fish, snakehead 22Jul15
Flowering, out of season 19Sep20
Frog, tree

21Mar12
Frog, Cuban tree (invasive) 21Apr16
Fruit, new apple cultivars 23Sep29
Fruit, beach plums 20Jun05, 20May08
Fruit, disease resistant pears 23Nov30, 23Mar31
Fruit - home growers

20Jun26, 20May22, 20May15, 20Apr24, 20Apr17, 20Apr10, 20Apr03
19Jun14, 19Apr05
Fruit insect management 18Jun15
Fruit insect and disease management

24Mar29

20Mar27
Fruit - IPM and Plant Resistance 23Apr14
Fruit, premature drop 21Jul09 (Oriental persimmon)
Fruit, paw paw

24Sep06, 24Aug02 (ripening)

23Sep29, 23Sep22 (problems), 23Sep08 (cracking fruit)
Fruit thinning and/or pruning

24May24, 24May17

23May05, 23Jan04  
21May28 
20Nov24 (figs), 20Nov13
19Jul12, 19Jun21
18Jun01
Gas-powered equipment ban (Baltimore City) 24Oct11
Garden, public (in Howard County) 24May03
Gas-powered leaf blower banned in Montgomery County 23Sep29
Girdling

20Oct02, 20Jun19, 20Apr24
18Apr20
Gummosis 23Jun16
Guttation 20Jun19
Hail 20May01 (likely hail damage)
Herbicide drift and volatilization 19Jun14
18May11
Hinoki cypress problems 24May24
Honey bee - slapping ants to keep out of hive 24Jul26
Honeydew (and sooty mold) removal from woody plants 24Jul26 (creative way to keep it off cars), 24May03
Hopper burn 18Jul13
Horticultural oil

23Apr28

22Oct28 (fall applications) 
20Nov13, 20Jun26 (impact on blue foliage of hostas), 20Mar27
19Apr05
How insects survive the winter 18Nov02
Impact of heavy rains 18Aug03
Industrial hemp 19Jun14, 19Apr26
Insect activity on fruit 18Jul27
Insects (spread through travel) 24Mar29
Labor shortage 21Jul02
Landfill problems 20Apr17
Leaf drop (early)

19Jul19 (river birch)
Leafdrop, on holly in spring    20May08
Leaves (left in place, pest issues) 24Mar22
Lichen

20Jul10
19May03, 19Apr05
Lights (LED) 24Feb29
Lyme disease vaccine status update 22Aug12
Magnolia, seed pods 19Jul12
Maryland Department of Agriculture - Nursery Inspection program 23Oct20
Microbial products (unregulated) 22Jul15
Montgomery County, MD Pesticide Law 19Jun21, 19Jun14, 19Jun07
Mowers, electric zero turn 23Feb15
Mulch volcano

24Sep06

23Sep22
20Apr10
16Mar18
Mulch, overmulching 23Jun23 
18Oct05
Nickel and plant growth 22Aug05
Northern flicker damage in turf 18May04
Nutsedge control 18Jun29
Oak decline 23Oct06 (Anne Arundel County Report)
Paving around a tree 24May24
Peaches, growing 22Jun24
Personal mosquito control 18Jul06
Pesticide ban 22Jul15 (Baltimore City)
Plant dieback 18Sep07
Pollen

24May24, 24May03

23Oct06 (pollen for bees)  
21Jun04 (heavy)
Pollution, smoke 23Jun09 (from wildfires in Canada)
Poor fruit set 18Jul06 (tomato)
Privet problems 24May31
Problems, apple 18Oct19
Problems, boxwood 18Jun01
Problems, cherry laurel 18Oct19, 18Oct12
Problems, crape myrtle 18Jun08, 18Jun01
Problems, deer 18Jun22
Problems, Japanese maple

18Aug24
Problems, Leyland Cypress 18Apr06
Problems, roots (lack of) 19Aug30 (on dwarf blue spruce)
Problems, tomato 18Aug03
Problems, vinca 17Jun16
Problems, zelkova 18Jun08, 18Jun01
Pruning, fall 23Apr07
Pruning, root (problems) 23Jul21 
Pumpkin (and the season's weather) 20Sep25

Redbud problems

Redbud, vascular streak dieback

 22Jul15

22Aug05 
Research, horticulture at Wye Research and Education Center 24Jun28
Research, transparent wood 21Feb12
Reversion (genetic)

24Oct25
Screening plants 18Jul06, 18Jun29
Seed preservation 18Apr06
Shears (small, portable, electric) 19Jul19
Solar panels 20Jun26
Spring fertility update 18Apr27
Snakes in the landscape 19Jun28
18Jun08
Stress, heat and drought 24Aug16 (turf in summer)
Summer annual grass control 18Sep14
Summer leaf drop 18Jul20
Sunscald on vegetable leaves 18May25
Swelling on apple trees 20Oct09
Temperature and Fertilizer 18Jul06
Temperature and plant installations 23Mar02
Tick activity 18Jun01
Tough places for plants 18Jun22
Toxicity: Is cherry laurel toxic? 20May01
Tree decline and wood decay fungi 21Oct29
Tree protection 22Jul08
Turtles

22Jun24 (snapping turtle) 
18Jun08

Unusual weather side effect   

 18Jul27
Urban Nutrient Management Regulation Changes 18Sep28
Urea shortage 22Jun10
Vegetables, and impact of flooding 20Aug07
Vehicles 20Jul02 (electric trucks)
Voles

19May10
Water chestnut control 18Sep14
Water quality on pesticide performance 18Apr27
Weather and disease update 18Jun08, 18Jun01
Wildlife 23Jun23 (raccoons)
Wings, how insects got their 21May28
Winter damage 18Jun15, 18May25, 18May11
Winter, mild 20Mar20 (lack of leaf abscission)
Winter, protection of figs 24Jan17
Wire baskets and problems with trees 21Jun18
Worms, jumping (invasive) 23Jul14 
22Sep02, 22Apr01 
21May28
Wrapping trees for ambrosia beetle 18Apr27
Yellowing of Leyland cypress 23Jun16