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Hydrangea macrophylla (Bigleaf Hydrangea, Mophead Hydrangea)
| Date | Action |
| Sep 30 2008 | kkluv155 (414) added "9a (to 25 F / -4 C)" to Zones / Hardiness |
| Sep 30 2008 | kkluv155 (414) added "9b (to 30 F / -1 C)" to Zones / Hardiness |
| Sep 30 2008 | kkluv155 (414) added "Partial Shade" to Sun Exposure |
| Sep 30 2008 | kkluv155 (414) added "Full Sun" to Sun Exposure |
| Sep 30 2008 | kkluv155 (414) added "Deciduous" to Plant Types |
| Sep 30 2008 | kkluv155 (414) added "2 to 5 feet (60 cm to 1 1/2 m)" to Spread (Maximum) |
| Sep 30 2008 | kkluv155 (414) added "5 to 10 feet (1 1/2 to 3 m)" to Height (Maximum) |