Youngs Nursery Gardening Calendar

Monthly Garden Activities (Roseburg Area)

Planting at the right time will greatly increase your success in the garden. The information below is only a general guideline for the Roseburg area and depends on weather conditions. Stop by Young’s for more specific details.

Young’s Garden Center has everything you need to enjoy your yard all year long. Whether you are landscaping your yard, growing a vegetable garden, or adding color with flower containers, Youngs has what you want. Huge selection, high-quality plants, tasteful yard decorations and friendly help have made Young’s Garden Center a Roseburg favorite for over 50 years.

For everything on your list of garden activities, visit Youngs Garden Center for the plants, supplies and advise you need to succeed.


  • Preparation – This is a month to get ready for the growing season. Plan the basics of what and where you’ll plant. Put down weed barrier in garden areas to prevent spring weeds.
  • Garden seeds– Plant herbs to grow indoors and early, cold crop veggies. Young’s has all the seeding supplies you might need to start your veggies and flowers – trays, seed starting soil, heat mats, soil thermometers, assorted  pots, jiffy plugs, fluorescent light fixtures and light bulbs, tray covers and more.
  • Hydrangea paniculata & Hydrangea arborescens – you can prune these hydrangea species back by up to 1/3 in late January or early February to keep the shrubs smaller in summer when they will bloom on new growth.
  • Roses – spray bare canes and ground with heavy coverage of Bonide All Seasons Oil for over-wintering fungal diseases and over-wintering bugs.


  • Planter COLOR now – replace winter drabness with weekly arrivals of spring color on primroses, pansies, violas and cyclamen.
  • Late winter, early spring blooms begins – Get early flowers in your landscape this month with plants like flowering plums, forsythia, PJM rhodys, heather, camellias and helleborus.
  • Fragrant shrubs – winter daphne and sarcococca are ready to perfume your home landscape.
  • Roses – plant new varieties, old favorites, bush or climbers late Feb thru June
  • Fruit trees – bare root trees are arriving this month. You should plant bare root fruits like apple, cherry, apricot, nectarine, peach, pear, plum, Asian pear by April 15 for best results.
  • Berry Time – popular types of berries for growing in our area are arriving and ready to plant. This includes blueberries, strawberries, raspberries, blackberries, gooseberries and huckleberries.
  • Everbearing Strawberries – As you plant everbearing strawberry varieties, remember that during their first season you’ll want to pick off the flowers until mid-July. This will help the plants develop strong roots and support better fruiting later.
  • Garden seeds – you can get a jump start on garden veggies by seeding many types indoors early.
  • Garden peas – planting cool temperature favorites, like Oregon Sugar Pod, starts now.
  • Asparagus – plant Jersey Knight roots in raised beds February thru March.
  • Tomatoes– plant seeds indoors this month (February), move seedlings outside in May.
  • Seed potatoes and onion sets – plant February thru May.
  • Ornamental grasses – cut dead looking foliage back to a few inches tall before new growth appears in late February or March.
  • Arborvitae, Leyland cypress, other anemic evergreens – Add iron on the ground surface around any green conifer that has turned yellow over the winter.
  • Fruit Tree Care – Finish any major structural pruning this month. Spray established trees with Bonide All Seasons Spray Oil to smother any over-wintering insects.


  • Shrubs, annuals & perennials – fresh plants begin arriving frequently at the nursery.
  • Evergreen clematis – plant and enjoy fragrance now, evergreen foliage year round.
  • Early flower packs  – Flowers like sweet peas, nasturtiums and pansies are available this month in garden packs.
  • Walla Walla onion plants – plant from bundles this month
  • Figs, kiwis and persimmons – choose from selected hardy varieties for our area at Youngs
  • Hardy herbs – see Youngs for early cold-hardy plants or seeds
  • Rhubarb and artichokes – plant large potted plants March thru May
  • Plant cool garden crops – plant pack or seeds are available for beets, broccoli, brussel sprouts, cabbage, carrots, cauliflower, chives, endive, kale, leeks, lettuce, onions, peas, radishes, rutabagas, spinach, swiss chard, turnips.
  • Lawns, lilacs, clematis – add Garden Lime on soil around plants if not applied the previous fall
  • Hydrangeas apply Soil Acidifier once a month March thru June for stunning blue summer flowers.
  • Beware of Slugs – Slugs and snails are on the prowl — apply slug bait without fail now thru June to prevent them from decimating your young plants.
  • Fertilizer flowering shrubs (except roses) – You’ll do the first feeding of any deciduous shrubs (plants that dropped their leaves in winter). Use something like EB Stone Organic Rose Food. Don’t feed rose bushes yet.
  • Fertilizer evergreen shrubs (except rhodys and azaleas) – This is when you’ll do your first feeding of established evergreen plants with something like EB Stone Rhododendron Food. Don’t feed your azaleas or rhododendrons yet.
  • Deer – These critters will be on the move, looking for tender new growth to munch on. Consider deer resistant plants in your vulnerable landscape.
  • Ponds and water features – as soon as the water is over 45 degrees, its time to do the annual cleaning by draining the water and cleaning the bottom of the pond, replacing the filter media, thinning the plants, adding new bacteria and starting your Pond Perfect schedule to prevent algae from ever being a problem this year
  • Rose Care – prune canes early in March to 15” tall, rake up & destroy trimmings or any leaves under plants
  • Spray for leaf curl – Now is the crucial time to spray peaches and nectarines multiple times to prevent the leaf curl fungal disease. Spray when the leaf buds start to swell, but before they open, and then again 10 days later. Use a fungicide like Bonide Fung-onil or Copper Fungicide (check Youngs Spray Guide).


  • Amend garden soil – Prepare to plant your summer vegetable garden by turning the soil and mixing in some planting compost and fertilizer. The sun is out more and air temperatures are on the rise, but in general the soil temperatures are still cooler than is idea for veggie garden planting.
  • Cool-season, leafy garden crops – You can continue or begin planting seeds and young plants as listed under March
  • Tomatoes and peppers – You can get a two week head start on garden favorites by using a plant insulation product like Plant Protection Blankets or water Insulated Plant Protectors. These products will warm the plants and protect them from frost down to 25 degrees.
  • Fertilize Roses – feed with EB Stone Organic Rose Food as the plants put out about six inches of new growth.
  • Prune Winter Heather – lightly shear winter-blooming varieties when blooms fade.
  • Prune spring-flowering shrubs – Shear back shrubs after their blossoms fade.
  • Raised beds or flower borders – Before the main planting season in May be sure to use Young’s weedcloth (4, 6 or 12 ft wide) for years of effortless weed control.
  • Fertilize lawns – You should begin fertilizing your lawn now and continue through August.


  • Veggie garden time! – Plant your garden early this month (depending on the season’s weather) with seeds or plant starts from Youngs. With our climate there is still time to plant the cool season crops listed in March as well as warmer weather crops like snap and lima beans, cantaloupe, cucumbers, dill, pumpkins, summer and winter squash, onions, potatoes and watermelon.
  • Plant tomatoes, peppers & eggplant – plant starts from Youngs (too late for seed)
  • Hanging baskets – Beautiful baskets fill the nursery this month and make the perfect Mother’s Day gifts. Be sure to keep them happy and blooming by using Young’s Slow Release fertilizer every 6 weeks and a premium liquid blooming fertilizer regularly now thru September.
  • Treat pest or disease problems – The warmer weather also brings bugs and plant diseases. Be sure to treat early to prevent infestations and serious issues. Stop by Youngs for solutions.
  • Dig bulbs – Daffodils, tulips and  hyacinths are done blooming now and ready to dig, divide and replant. Do this when the foliage yellows after blooming.
  • Feed rhododendrons, azaleas and camellias – Now is the time for their first feeding with EB Stone Rhododendron Food.
  • Spray rhododendrons & azaleasspray once a month May thru August with Bonide Systemic Insect Control to prevent notched leaves from root weevils or apply Tanglefoot on stretch-tie wrap for weevil control all summer.


  • Support tomatoes, cucumbers and pole beans – Use wire, wood or net to support these plants and keep their fruit off of the ground.
  • Prune lilacs, rhododendrons, azaleas – continue to trim plants as needed after they have finished blooming.
  • Prune fruit trees – Cut away any unwanted growth or damaged branches June thru August and to control the size of the trees.
  • Spray fruit trees – Control insect problems in your fruit trees by spraying this month with Bonide Fruit Tree Spray.
  • Birdbaths – change water regularly or add Mosquito Dunks to prevent mosquito larvae in bowl
  • Prepare for summer basket & planter watering – Add Soil Moist sparingly to dirt for reduction in watering, use a Plant Nanny, or set up an automatic drip system to keep your containers well watered during summer vacations.
  • Feed flowering shrubs – Time for a second round of fertilizer on all of your deciduous shrubs (plants that dropped their leaves in winter). Use EB Stone Organic Rose Food.
  • Fountains add Fountec if no fish present to prevent algae in water without endangering wildlife
  • Corn – plant every two weeks thru July 4th for a fresh corn harvest thru early October
  • Deer – They will begin to eat your plants in earnest this month. Use Liquid Fence spray once a month now thru October.
  • Protect fruit – Birds will try and beat you to ripe fruit like strawberries, blueberries and cherries. Cover the plants with bird netting to enjoy more of the crop.


  • Lawns – raise mower height to 2” now thru early September during summer heat, apply 1” of water per week
  • Hedges– prune after new growth to keep plants tightly shaped
  • Feed evergreen shrubs – It’s time to feed your evergreen plants again. Use EB Stone Rhododendron Food. Finish feeding before July 10th.
  • Last chance to prune rhodys and azaleas – Finish pruning and shaping for the year no later than July 10th. After that and you’ll be cutting off next year’s blooms.
  • Watering Under watering is a big issue in the summer. Use a rain gauge to monitor sprinkler water application rates to be sure that your plants are getting enough.
  • Strawberries (everbearing) It’s time to quit picking off the flowers on any newly planted plants. You’ll be enjoying fresh berries in no time now!
  • Hanging basket pests – Caterpillars and insects can become a real problem for containers in the summer. You’ll want a consistent, spray schedule to keep your plants healthy and in bloom. Youngs has lots of products to help. We suggest that you start spraying before you see damage and continue thru mid-September.  Often by the time you see a problem it is very difficult to get under control.
  • Treat flowering annuals – Most of your flowering plants are susceptible to bug problems at this point in the year. Keep them clean and happy by spraying or treating regularly for common insects.


  • Fertilize your garden – Cucumbers, summer squash, broccoli, tomatoes will all be grateful for additional nutrients at this point. Fertilize now to ensure a plentiful harvest through late fall.
  • Strawberry beds – Clean the plants of dead leaves and runners now and fertilize. This will help produce bigger, better berries at next year’s harvest.
  • Raspberries, boysenberries and other cane berries – Berry canes can be pruned after the harvest is over.
  • Fall crops – Cauliflower, broccoli, brussels sprouts, lettuce, spinach, turnips and parsnips can all be planted now as seed or starts for a fall or winter harvest.
  • Petunia baskets – Shear with scissors this month for a fresh look and more flowers thru October.


  • Lawns – mid-September thru October is the easiest time to get great results seeding new lawns or reseeding dead spots. Fertilize established lawns for the last time.
  • Winter squash, potatoes – harvest now thru October
  • Daffodils, tulips, crocus, hyacinths, other spring flowering bulbs – plant September thru December for spring color
  • Broccoli, Brussels sprouts– cover ripening crop with Plant Protecting Blanket to keep aphids and other bugs off and protect from dropping temperatures.
  • Window gardens – plant with lettuce, chives, parsley


  • Sunflower heads, filberts, walnuts, pumpkins – harvest this month
  • Tomatoes – pick all remaining fruit October 15 to ripen indoors
  • Garlic – plant now for harvest next summer
  • Ground covers, shrubs, trees – plant this month for great root growth in new location
  • Winter color – plant helleborus, pansies, winter blooming heather, hardy cyclamen, coral bells and ornamental cabbage & kale now for color November thru February
  • Fall cleanup – compost debris from plants, including harvested garden plants and spent flowers (material from diseased plants should be destroyed so that disease doesn’t winter over and re-infect plants next year)


  • Bush peonies – prune all stems down to 1” tall and haul trimmings away in garbage or burn
  • Roses – trim all roses down to waist high, rake up any leaves on ground and destroy all leaves and trimmings
  • Tender plants – cover with Plant Protecting Blanket for protection down to 25 degrees.


  • Live Christmas trees – keep inside for up to three weeks and then plant outside in the landscape

Vegetable Planting Calendar

Beans (lima)
Beans (snap)
                        All Winter
Corn (sweet)
Head Lettuce
Leaf Lettuce
Squash (summer)
Squash (winter)
Summer Planting
Winter Planting