Lilies (18 seconds)
Lilies burst into bloom

Tulips (17 seconds)
Tulips struggling to blossom

Daffodils (18 seconds)
A bunch of freshly cut Daffodils rally and then slowly begin to wilt

Ant Farm (40 seconds)
Ants busily dig tunnels in their little world

Chia Homer (21 seconds)
A Homer Simpson "Chia Pet" grows its "hair". This experiment ran for 45 days.