- 1). Work a 2- to 3-inch layer of compost or leaf mold into a well drained garden bed. Choose a bed that receives partial shade or all-day filtered sunlight.
- 2). Dig the planting holes with a trowel. Make the holes as deep as the transplant's pots but slightly wider. Space holes 10 to 12 inches apart in all directions.
- 3). Lift the primroses from the pots. Set one plant in each hole so the top of the root ball is even with the soil surface.
- 4). Fill in the holes around the primrose roots. Firm the soil around the base of each plant with your hands.
- 5). Water the primroses immediately after planting. Water one to two times weekly thereafter, supplying enough water so the soil remains moist without becoming soggy.
- 6). Spread 2 inches of organic mulch, such as wood chips, over the bed and around the base of the plants. Replenish in the mulch in fall before the first frost to maintain the 2-inch depth. Mulch keeps the soil cool and moist in summer while providing cold protection to the primrose roots in winter.
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