Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Hydrangeas | 3a | Not recommended | Not recommended | On/around May 15 (after last frost); Aug. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 3b | Not recommended | Not recommended | On/around May 15 (after last frost); Aug. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 4a | Not recommended | Not recommended | On/around May 15 (after last frost); Aug. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 4b | Not recommended | Not recommended | On/around May 15 (after last frost); Aug. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 5a | Not recommended | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 5b | Not recommended | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 6a | Not recommended | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 6b | Not recommended | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 7a | Not recommended | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 7b | Not recommended | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 8a | Not recommended | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 8b | Not recommended | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 9a | Not recommended | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 9b | Not recommended | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 2-12 feet (depending on variety) | n/a |
Hydrangeas | 10a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hydrangeas | 10b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hydrangeas | 11a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hydrangeas | 11b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
* Shrub that comes in a wide variety of sizes and colors. Plant a starter plant in spring after the last frost or in the fall before the first frost.