Unlock Grandma's vault
Open the letter lock
Go to the top of the tower
Grow the Wolfglove
Fix the Orangery staircase
Find the secret priest hideout
Grow the Pixie Tears
Grow the Ash Plume
Germinate the Ash Plume seed
Take a picture of a flower that's not the Fulguria
Grow the Fulguria
Create a faulty mix of chemicals in the flash lamp
Play the harpsichord
Inspect a duck
Sit on a garden bench for one minute or more
Sit down on a seat
Grow the same plant three times or more
Throw a flower in the bin
Shake a locked door
Grow the Windmill Wort
Grow the Springdance Shrub
Grow the Oscilette
Grow the Fool's Emerald
Flush the toilet
Connect all the pipes
Find a way to cross the pond
Reach the end of the game
Inspect all the ducks
Complete all the plants in the Herbarium
Signal S.O.S. on the telegraph
Place a plant on every saucer in the Flower Room
Inspect Arabella's paintings
Grow the Sapphire Gloom
Grow the Nightfall
Grow the Brook Chalice
Grow the Cradle Fern