Different berries have different time spans to grow
Cheri, Chesto, Pecha, Rawst and Aspear take 3 hours to grow to stage 1, and 12 hours to grow berries.
Leppa, Oran and Persim take 4 hours to grow to stage 1, and 16 hours to grow berries.
Lum takes 12 hours to grow to stage 1, and 48 hours to grow berries.
Sitrus takes 8 hours to grow to stage one, and 32 hours to grow berries.
Figy, Wiki, Mago, Aguav and Iapapa take 5 hours to grow to stage 1, and 20 hours to grow berries.
Razz, Bluk, Nanab, Wepear and Pinap take 2 hours to grow to stage 1, and 8 hours to grow berries.
Pomeg, Kelpsy, Qualot, Hondew, Grepa and Tamato take 8 hours to grow to stage 1, and 32 hours to grow berries.
Cornn, Magost, Rabuta and Nomel take 6 hours to grow to stage 1, and 24 hours to grow berries.
Spelon, Pamtre, Watmel, Durin and Belue take 15 hours to grow to stage 1, and 60 hours to grow berries.
All the reducing SE damage berries(Occa, Passho, Wacan, Rindo, Yache, Chople, Kebia, Shuca, Coba, Payapa, Tanga, Charti, Kasib, Haban, Colbur, Babiri and Chilan) take 18 hours to grow to stage 1, and 72 hours to grow berries.
Liechi, Ganlon, Salac, Petaya, Apicot, Lansat, Starf, Engima, Micle, Custap, Jaboca and Aspear take 24 hours to grow to stage 1, and 96 hours to grow berries.
Taken from: Pokemon Platinum Official Guidebook
