- 1). Select a new area in your landscape to replant the gardenia bush. The new area should have full sun with some afternoon shade and well-drained soil. Avoid replanting by a concrete sidewalk or driveway because the pH in that area may be too high. Gardenias prefer a pH level between 5.0 to 6.0.
- 2). Confirm the pH level by conducting a soil analysis using a soil testing kit from your local extension office. Amend the soil according to the outcome of the analysis. Sulfur is usually used to reduce the pH level.
- 3). Dig a trench 12 inches deep and wide around the gardenia bush with a sharp digging shovel to ensure the roots are cleanly cut. The roots must be severed before lifting the root ball carefully from the hole to avoid injury to the roots.
- 4). Dig a hole in the new location twice the width of the root ball, but the same height as the previous hole.
- 5). Set the root ball in the hole. Backfill halfway and water to eliminate air pockets. Once drained, finish refilling the hole with soil and water again.
- 6). Water the gardenia 1 inch a week unless rainfall is sufficient to establish the roots. Apply a 3- to 4-inch layer of mulch, such as pine straw or wood chips, to maintain soil moistness and decrease weeds from growing.
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