there is a Weekly Update (26/12/2013) - SAP!
edit (KP) adding photo
The Hedges drop white and blue petals each time you collect from them.
Multi-Color Hedge
Cost: 40 Gems
info: Tend for White, Orange, Purple, Blue and Red Patals.
Tend Before Grown: No
Times to Use: Unlimited
Regen / Tend Time: 4 Hours
Size: 1x2
Resources / Drops: White, Orange, Purple, Blue and Red Patals.
Maple Tree
Cost: 40 Gems
info: A baby Maple Tree. High chance of dropping Sap.
Tend Before Grown: 5 Times
Times to Use: Unlimited
Regen / Tend Time: 4 Hours
Size: 2x2
Resources / Drops: Sap, low chance of Syrup
Note: Works like the fruit trees! grow it and then tend it repeatedly to get drops.
Sap Tree
Cost: 4000 Coins
info: Water to grow into a Sap tree. Low chance of dropping Sap.
Tend Before Grown: 5 Times
Times to Use: 6
Regen / Tend Time: Tend Time: 3 Minutes
Size: 2x2
Resources / Drops: Sap, Wood, Living Wood (when chopped down)
Note: Grow it and then chop it down to get Sap.
Weekly Updates List - check it!
Important Note:
The descriptions for the trees say "high chance" and "low chance" of dropping sap,
but TL states that BOTH trees have a 100% drop rate for sap.
The descriptions are errors that will be fixed later.