Monthly Gardening Calendars

Day by day and month by month, read about what to do and when in the lawn and garden.  Information in the calendar is optimized for gardens in NE Ohio.

NEW – Subscribe to our new digital calendar  –  Get our daily gardening tips right to the places you use the most, your phone and computer!  By subscribing to our calendar, you’ll never miss an important and timely gardening chore again!

Calendar Server: 

Public iCal format:

Instructions for iOS:
Go to Settings, Passwords & Accounts, Add Account, Other, Add Subscribed Calendar, then input the calendar server above.  Keep in mind that the capital D in Dayton.ics is required.  If you get a message that it cannot verify the identity, you can approve the message.

Instructions for Android:
For an android device, it is easier to add the calendar using a PC. Log into the Google site using the account assigned to your Android device, then choose Google Calendar.  Next to Other Calendars, hit the + button and then click on From URL.  Paste the URL above into the text box. 

Instructions for Google Calendar:
Login to your Google account and click on Google Calendar. Next to Other Calendars, hit the + button and then click on From URL.  Paste the URL above into the text box. 

Instructions for Outlook:
Go to File, Account Settings, Click Internet Calendars tab, click new, enter server name. Keep in mind that the capital D in Dayton.ics is required.  If you get a message that it cannot verify the identity, you can approve the message.


January 1 – Stake discarded Christmas trees for bird protection

January 2 – Cut branches of Christmas trees and lay on heaths and heathers for winter protection

January 3 – Make resolution to plant at least one more leafy green veggie in the garden

January 5 – Carefully check houseplants for insect or spider mites

January 6 – Inspect stored dahlias and cannas for mold.  Dust with fungicide if present

January 15 – Check trees and shrubs for rabbit or deer damage.  Apply tree guards or deer/rabbit repellent above freezing if found to prevent further damage.

January 18 – Apply cow manure to garden when soil is frozen

January 20 – Plan your vegetable or flower garden for this spring

January 26 – Sow geranium seeds

January 28 – Re-apply Wilt-Pruf to broadleaf evergreens during a thaw


February 9 – Bring in pots of holland bulbs from cold storage

February 10 – Last day to plant any unplanted spring flowering bulbs

February 15 – Average temperatures begin to rise

February 16 – Check trees and shrubs for rabbit or deer damage.  Spray with hot sauce and Wilt-Pruf during a thaw if present.  The smell/taste of the hot sauce will ward off the rabbits while the Wilt-Pruf acts as a polymer to prevent the mixture from falling off too quickly.

February 17 – Re-spray broadleaf shrubs with Wilt-Pruf (or similar) during a thaw

February 19 – Watch for robins eating crabapple fruits

February 21 – Re-spray deer repellent on plants susceptible to rabbit damage when above freezing

February 23 – Remove 2-year-old wood from raspberries

February 24 – Trim fruit trees and/or grapes when above freezing

February 26Over-seed lawn when snow is gone but ground is still frozen

February 28 – Order locally grown bare root fruit trees and other small fruits for late March planting


Download printable calendar – PDF

March 1 – Start peppers from seed

March 2 – Spread manure and/or compost on garden when ground is frozen

March 3 – Watch for Eastern bluebird return

March 5 – Take a soil test in your lawn and/or garden

March 6 – Order locally grown bare root fruit trees from Dayton’s

March 7Over-seed your lawn when ground is frozen without snow

March 8 – Apply dormant oil to trees and shrubs when above freezing for 24 hours

March 9 – Trim back heathers (calluna) to shape

March 10 – Rake out any evidence of snow mold on your lawn

March 14 – Transplant trees and shrubs now except for dogwood, magnolia and fragrant viburnum

March 15 – Apply lime to lawn or garden if necessary

March 16 – Cut out all dead wood from roses and trim to shape

March 17 – Remove straw from strawberries

March 18 – Start dahlia, begonia tubers and cannas indoors for planting in May

March 22 – Trim type “C” Clematis to the first set of two strong buds on each stem, which could be anywhere from 1-3′ feet up the stem.

March 23 – Remove tree guards and wind screens

March 25 – Plant onion sets, peas, lettuce and seed potatoes

March 26 – Plant bare root conifers, trees, shrubs and fruits if weather allows

March 28 – Fertilize blueberries with Holly-tone

March 29 – Cut back ornamental grasses and dead tops of perennials such as mums

March 30 – Fertilize small fruits, raspberries, blackberries and strawberries

March 31 – Plant pansies and violas for cool weather flowers


Download printable calendar – PDF

April 1Trim summer flowering shrubs such as rose of sharon and spirea

April 2Fertilize trees and shrubs if not done yet

April 3 – Apply aluminum sulfate to turn hydrangeas blue (H. macrophylla group)

April 4Divide pereninals.

April 5 – Re-pot tropical plants if needed.

April 6 – Start tomatoes from seed

April 8 – Apply Bonide’s Rose Shield or Dr. Earth Rose & Flower

April 9 – Apply Greenview’s crabgrass preventer plus fertilizer.

April 11 – Spray emerging tulips with a deer repellent to prevent chewing by ground hogs

April 12 – Transplant dormant dogwoods, magnolia, fragrant viburnum and hemlocks

April 13 – Apply Preen to landscape beds if not done yet.  Plant pansies.

April 14 – Apply weed killer to lawn to control unwanted weeds

April 15 – Hundreds of creeping phlox begin to bloom in Wolf Creek Garden

April 17 – Plant blueberries for fruit and landscape beauty

April 18 – Plant cold hardy veggies such as cabbage, Brussel sprouts, cauliflower and broccoli

April 19 -Install a peony ring to garden peonies now before growth continues

April 20 – Top dress perennial beds with a thin layer of Sweet Peet

April 21 -Plant first batch of sweet corn and beans as long as weather permits

April 22Plant trees and shrubs

April 23 – Till in Sweet Peet for new garden beds or mulch with Sweet Peet for existing beds

April 24 – Start spraying roses with Neem Oil & Bi-Carb to keep blackspot and insects at bay

April 25 – Last day to plant bare root trees, shrubs and fruits

April 26 – Apply a thin layer of mulch to landscape beds after edging

April 27 – Start harvesting rhubarb by pulling off stalks


Download printable calendar – PDF

May 1 – Spray Dogwoods and large-leaf Rhododendrons with Captain Jack’s Deadbug Brew for borers

May 2 – Plant gladiolus corms every 2 weeks until July 4th for continuous bloom

May 3 – Till under “green manure” crops that were planted in fall

May 4 – Watch weather to prevent frost damage by blooming azaleas

May 5 – Azaleas and tulips by the thousands in peak bloom at Dayton’s

May 6 – Tour Dayton’s Rhododendron & Azalea alley in Wolf Creek Botanical Garden

May 7 – Check out Dayton’s for a lasting, loving gift Mom will LOVE!

May 8 – Plant garden mum starts now for better winter survival

May 9 – Watch for hummingbird return

May 10 – Trim back Heaths (Erica) to shape

May 11 – Spray Dogwoods & large-leaf Rhododendrons with Captain Jack’s Deadbug Brew for borers

May 12 – Plant second batch of peas, sweet corn and beans for continuous harvest

May 13 – Apply Preen weed preventer after planting annuals, then water in

May 14 – Select annual flowers and vegetable plants

May 15 – Rhododendron catawbiense hybrids in peak bloom.  Tour our planting in the botanical garden.

May 16  – Plant potatoes for winter storage purposes

May 17 – Move tropical plants outside during a cloudy period to prevent foliage burn

May 18 – Plant garden with heat-loving vegetables and any remaining cool veggies

May 19 – Start spraying insecticide (Bonide Systemic Insect Control, Eight, Bonide Deadbug Brew OR Rose Shield) on susceptible shrubs to kill bagworm larvae

May 20 – Plant frost sensitive plants such as tomatoes and peppers

May 21 – Hill up first batch of potatoes when bloom appears

May 22 – Mountain laurels and deciduous azaleas in peak bloom at the nursery

May 23 – Spray dogwoods and large-leaf rhododendrons with Captain Jack’s Deadbug Brew for borer control

May 25 – Apply weed and feed to your lawn as directed

May 26 – Watch sawfly on mugho pines.  Use almost any insecticide for control.

May 27 – Begin spraying cucumber, squash and melons with bi-carb for mildew

May 29 – Spray roses with Rose Shield for rose slug control

May 30 – Last official frost-free date for Ohio


Download printable calendar – PDF

June 2 – Re-examine Arborvitaes, Spruce and Honey Locust for bagworm.  Spray with acephate if caterpillars are present.

June 3 – Check pepper and tomato plants for cutworms

June 4 – Apply Rose Shield for lacebug on Azalea and small-leaf Rhododendron

June 5Trim spring flowering plants as they finish up blooming

June 6 – Deadhead May blooming Rhododendrons

June 7 – Trim and de-sucker indeterminate tomatoes

June 8Fertilize again with Plant-tone or Holly-tone

June 9 – Trim Mountain Laurels to shape

June 10 – Start harvesting early strawberries

June 11 – Apply All Seasons Oil to Euonymus for scale

June 12 – Watch for potato beetles and hand harvest them for organic control

June 13 – Use Neem Oil for insect control on vegetable plants and herbs

June 14 – Peak bloom of Rhododendron maximum hybrids

June 15 – Spray all cucurbits with Neem Oil to kill leaf hoppers

June 16 – Check roses for mites to prevent rose virus spread

June 20 – Trim type “B” Clematis

June 21Trim evergreens and most deciduous shrubs to shape

June 22 – Spray BT for organic control of caterpillars on veggies, hollyhock and perennial hibiscus

June 26Marietta sweet corn and tomatoes usually ready.  Please check for availability.

June 30 – Last day to plant tomato and pepper plants.


Download printable calendar – PDF

July 1 – Plant last batch of beans, sweet corn, squash and cucumbers

July 2Trim back half of new growth on spruce to shape

July 3 – Start harvesting Duke & Earliblue blueberries

July 5 – Trim shrub roses after first bloom in June, then fertilizer

July 6 – Trim hanging baskets and combo pots, if needed

July 7 – Be sure to water newly planted shrubs during drought

July 8 – Protect blueberries from birds when they begin to ripen

July 10 – Carefully check dahlias and gladiolus for thrips.  Spray with Spinosad if found.

July 11 – Apply grub control to lawn to prevent grubs

July 12 – Cut back mums now to increase branching and delayed bloom

July 13 – Start harvesting Jersey, Bluecrop & Berkley blueberries

July 14 – Spray tall Phlox with bi-carb to prevent mildew

July 16 – Harvest yellow transparent apples for applesauce

July 17Trim back half of new growth of pine to shape if not done yet

July 18 – Spray perennial hibiscus and hollyhock with Captain Jack’s Deadbug Brew for lepidoptera (caterpillar) control

July 19 – Seiberling sweet corn usually ready.  Please check for availability.

July 20 – Take semi-hardwood cuttings of your favorite woody shrubs

July 21 – Fertilize, stir and water mulch to prevent shotgun fungus

July 22 – Trim climbing roses after first bloom has finished

July 23 – Deadhead spent flowers on Hydrangea macrophylla types

July 24 – Re-examine Arborvitae, Spruce, and Honey Locust for bagworm.  Spray with acephate to stop caterpillars if found.

July 25 – Divide and re-plant German iris


Download printable calendar – PDF

August 1 – Harvest elderberries and look up recipes for wine, pies and cobbler

August 2 – Deadhead annuals & perennials

August 3 – Plant late crops of turnips, carrots and beets

August 4 – Deadhead Endless Summer Hydrangea series to keep them blooming

August 5 – Freeze or can fruits and veggies

August 6 – Trim half of new growrth of pines, if necessary, to shape if not done in late July

August 7 – Apply Rose Shield for lacebug on Azalea and small-leaf Rhododendron

August 8 – Stir and water mulch again to prevent shotgun fungus

August 9 – Collect seeds and take cuttings

August 10 – Transplant Oriental poppies while they’re dormant

August 12 – Start dividing and transplanting daylilies and hostas after cutting back

August 18Kill invasive grass and weeds in lawn now to re-seed in September

August 22 – Start planting fall mums

August 28 – Gradually move houseplants into a shadier spot to acclimate them to the indoors


Download printable calendar – PDF

September 3 – Watch lawns for grub damage with sample diggings

September 6 – Check out Dayton’s large display of mums and perennial asters

September 7 – Time to can pears, peaches, tomatoes and peppers

September 8 – Divide and re-plant Hostas and Daylilies if not done yet

September 9 – Apply grub control if grubs appear.  Be sure to water in well.

September 11 – Apply a winter fertilizer to lawn that is high in potassium

September 12 – Start harvesting apples

September 13 Plant trees and shrubs for maximum root growth

September 14 – Plant Igloo mums

September 15 – Thatch lawn if necessary and over-seed immediately afterwards

September 17Seed a new lawn or over-seed an existing lawn

September 18 – Plant green manure crops to improve tilth of garden soil

September 19 – Treat lawn for rust if occurs

September 22 – Harvest winter potato crop storage

September 25 – Start feeding houseplants with low ammonium nitrogen fertilizer

September 26 – Finish harvesting Elliot blueberries


Download printable calendar - PDF

October 1 - Plant your favorite tree in order to establish before spring

October 3 - Stop watering Christmas Cactus for 30 days for better bud set

October 4 - Spray foliage plants with insecticide before bringing indoors

October 5 - Ohio's state apple Melrose has ripeneed

October 8 - Rake debris away from German Iris to lessen destructive borers

October 10 - Cut back foliage to 3" on German Iris

October 11 - Pot up Holland Bulbs for indoor forcing

October 12 - Dig & store tender bulbs and tubers after a hard frost

October 13 - Re-pot stored Amaryllis bulbs for Christmas bloom

October 15 - Plant Holland bulbs for spring blooms

October 16 - Apply Plant-tone or Holly-tone for fall feeding

October 18 - Usual peak of fall foliage color in NE Ohio

October 19 - Fertilize large trees with a granular fertilizer such as 10-10-10

October 20 - Take lawn or garden soil test and bring results to Dayton's for analysis

October 25 - Dig and store dahlias and cannas after a hard frost

October 26 - Transplant most trees and shrubs

October 27 - Apply second application of fall lawn fertilizer for an early spring green-up


Download printable calendar – PDF

November 2 – Add leaves to garden to till under in spring or compost them to add in spring

November 3 – Start watering Christmas cactus to promote bloom

November 4 – Dig late crop potatoes for winter storage

November 6 – Lime lawn or garden, if needed, per soil test

November 8 – Apply Preen to prevent winter weeds such as chickweed

November 10 – Order cemetery blankets for placement by Thanksgiving

November 12 – Mulch late crop carrots, turnips & parsnips with straw

November 13 – Cut roses back to 2 feet to prevent wind whipping

November 15 – Spray plants with Wilt-Pruf, or similar, to prevent wind burn or erect burlap wind screens

November 16 – Apply gypsum to lawn areas susceptible to road salt damage

November 17 – Apply deer repellent to vulnerable trees/shrubs to prevent deer damage

November 18 – Cover tea and floribunda roses with 1 foot of mulch for winter protection

November 21 – Harvest greens, turnips, parsnips and carrots for Thanksgiving dinner

November 22 – Poinsettias from back grenhouse available (tentative)

November 23 -Christmas trees arrive (tentative)

November 25 – Tag your Christmas tree now for later pick up or delivery

November 30 – Fuchsia, New Guinea Impatiens and Geranium cuttings arrive from Guatamala


Download printable calendar – PDF

December 3 – Add a colorful poinsettia to your home

December 4 – Apply second application of Liquid Fence to keep deer at bay

December 11 – Protect trunks of young trees from rabbit damage

December 13 – Plant unplanted Holland bulbs before February 15th

December 14 – Enjoy birds feeding on trees, shrubs, fruits and berries

December 22 – Day length begins to grow longer

December 28 – Check out our winter seminar schedule

December 29/30/31 – Nursery closes for season, depending on date