Planting Instructions: Annuals and Perennials Posted on April 10, 2019 by Chris Heckel Planting instructions: Helpful hints on how to successfully plant your newly purchased nursery stock, specifically annuals and perennials. Preparation Your new plants should be installed as soon as possible. If there is some delay in planting, then it is important to guard against moisture loss. Store plants in a shady, wind protected area, and keep root area evenly moist. Handle plants gently and use the container or root ball to move the plant. Never hold onto the plant itself. Be sure to place your plants in their preferred growing environment for best results. Plastic pots. Perennials and annuals. Plastic pots Water thoroughly before removing the container. If a light tapping on sides and bottom does not release the soil, make two cuts the length of the pot on opposite sides and gently pull away the halves. Use your fingers or a knife to gently loosen and spread exposed roots that appear crowded. To free very matted or circling roots, make several vertical cuts 1/2- to 1-inch deep through the root mass. Perennials and annuals These are usually grown in beds where 3 to 6 in. of sphagnum peat moss is spread over the surface and worked into the soil to a depth of 3 to 12 in. A good general purpose flowering fertilizer can be added at this time.Thorough bed preparation is important for healthy perennials since they will be growing in that same location for many years to come. If a specimen is being planted or being added to an existing bed, then prepare the planting hole as you would for a tree or shrub. Special care for special plants Roses may be in fibre or plastic pots. Most roses are grafted on to different root stock. For reasons of hardiness, the grafted area (which will be the swollen area where the stems originate) must be planted two inches below the soil. For rhododendrons, azaleas and other broadleafed evergreens, increase the amount of sphagnum peat moss used by half. Peaches, nectarines and cherries demand excellent fast draining soil. DO NOT plant in wet areas. DO NOT overwater. When the planting is completed… Watering Plants grown in plastic pots tend to dry out more quickly, therefore, more frequent watering may be necessary to avoid plant wilt. It takes several weeks for roots to extend beyond the original soil ball, so be sure to check this area as it often dries out faster than surrounding garden soil. Deep watering encourages a deep root system and your plant will become more drought tolerant. Mulching Apart from their good appearance and the retarding of weed growth, mulches help to retain moisture. Mulch also keeps roots cool in summer and insulated in winter. Maintenance is easier and your plants will thrive. Tip Divert downspouts and sprinklers away from planting area. Tip Water only when the soil feels dry to the touch, 2 to 3 in. down into the root area. Continue this form of watering until the plant is well established and growing. Tip A good soil mix is 50 per cent soil, 25 per cent peat moss, 25 per cent compost or manure.