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