To level up you need to harvest the number of fruits mentioned bellow. Besides the Opis flowers, which you can only grow one of each type (they are limited strictly at one per customer), you can grow as many flowers as you wish!
To reach Level 2, you must grow and harvest the fruit from:
A Cumulus Albiflorus
or
A Bellis Lycaena
(or both of them!)
To reach Level 3, you must grow and harvest the fruit from:
A Carmena Uniflora (Note of a Bird Song)
To reach Level 4, you must grow and harvest the fruit from:
A Rosa Amora (♥ Fruit).
To reach Level 5, you must grow and harvest the fruit from:
A Stella Velleflora (Wishing Star)
To reach Level 6, you must grow and harvest the fruit from:
A Solaris Igniflora. (Ray of Sunshine)
To reach Level 7, you must grow and harvest the fruit from:
A Luna Serena (Moon Fruit)
To reach Level 8, you must grow and harvest the fruit from:
A Apis Meliflora (Honey Bee)
To reach Level 9, you must grow and harvest the fruit from:
A Dulcia Somniflora (Dream Bubble)
To reach Level 10, you must grow and harvest the fruit from:
A Carmena Aviflora (Seasonal Bird)
To reach Level 11, you must grow and harvest the fruit from:
All 4 colours of Carmena Aviflora (Seasonal Bird) including those already harvested in previous levels
1 Opis Centiflora (Pot of Gold)
To reach Level 12, you must grow and harvest the fruit from:
1 Moyogi Bonsai. (Rainbow ♥ Fruit)
To reach Level 13, you must grow and harvest the fruit from:
1 Chie Bonsai (Chie Fruit)
To reach Level 14, you must grow and harvest the fruit from:
1 Taiyo Bonsai (Sun and Rain Fruit)
To reach Level 15, you must grow and harvest the fruit from:
1 precious* Flora Praecocia.
To reach Level 16, you must grow and harvest the fruit from:
1 precious Rosa Praecocia
To reach Level 17, you must grow and harvest the fruit from:
1 precious Tulipa Praecocia
To reach Level 18, you must grow and harvest the fruit from:
1 Opis Magiflora (Pot of Treasure)
To reach Level 19, you must grow and harvest the fruit from:
2 different Odonata Igniflora (Dragonfly)
To reach Level 20, you must grow and harvest the fruit from:
All 4 different Odonata Igniflora (Dragonfly), including those already grown
1 Lilium Ranidae (Fairyland Frog)
To reach Level 21, you must grow and harvest the fruit from:
2 different Piscis Aquabullae (Bubblefish)
To reach Level 22, you must grow and harvest the fruit from:
4 different Piscis Aquabullae (Bubblefish), including those already grown
1 Solaris Lycaena (Sunshine Butterflies)
To reach Level 23, you must grow and harvest the fruit from:
6 different Piscis Aquabullae (Bubblefish), including those already grown
1 Cumulus Amora (♥ Shaped Cloud)
To reach Level 24, you must grow and harvest the fruit from:
All 7 different Piscis Aquabullae (Bubblefish) including those already grown
1 Fructus Odonata (Flying Banana)
To reach Level 25, you must grow and harvest the fruit from:
1 Opis Iridiflora (Pot of Rainbow Gold)
To reach Level 26, you must grow and harvest the fruit from:
1 Asteres Planetai (Mercury, Mars, Venus)
To reach Level 27, you must grow and harvest the fruit from:
2 different Asteres Planetai (Mars, Mercury, Venus), including those already grown
1 Magnus Planetai (Jupiter, Saturn)
To reach Level 28, you must grow and harvest the fruit from:
All 3 different Asteres Planetai (Mars, Mercury, Venus), including those already grown
Both different Magnus Planetai (Jupiter, Saturn), including those already grown
Both different Hibernus Planetai (Neptune, Uranus)
To reach Level 29, you must grow and harvest the fruit from:
1 Cattus Peloflorus (Inchworm)
To reach Level 30, you must grow and harvest the fruit from:
1 Flora Formicidae (Ant)
To reach Level 31, you must grow and harvest the fruit from:
1 Opis Auriflora (Pot of Gold)
To reach Level 32, you must grow and harvest the fruit from:
1 Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
To reach Level 33, you must grow and harvest the fruit from:
2 different Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
1 Dulcia Zingibera (Gingerbread Man)
To reach Level 34, you must grow and harvest the fruit from:
3 different Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
1 Dulcia Saccaflora (Lollipop)
To reach Level 35, you must grow and harvest the fruit from:
All 4 different Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
1 Dulcis Fructus (Chocolate Strawberry)
To reach Level 36, you must grow and harvest the fruit from:
1 Dulcia Glaciaflora (Ice Cream)
To reach Level 37, you must grow and harvest the fruit from:
1 Opis Solaflora (Pot Of Gold)
To reach Level 38, you must grow and harvest the fruit from:
1 Aureus Naturalis (Golden Purse)
To reach Level 39, you must grow and harvest the fruit from:
1 Aureus Fibonaccius (Golden Purse)
To reach Level 40, you must grow and harvest the fruit from:
1 Aureus Primus (Golden Purse)
To reach Level 41, you must grow and harvest the fruit from:
1 Aureus Triangularis (Golden Purse)
To reach Level 42, you must grow and harvest the fruit from:
1 Opis Alia Iridiflora
_______
*Grey Flowers (Worthless Stones) are not Precious. See the Praecocia Guide for more info.
To reach Level 2, you must grow and harvest the fruit from:
A Cumulus Albiflorus
or
A Bellis Lycaena
(or both of them!)
To reach Level 3, you must grow and harvest the fruit from:
A Carmena Uniflora (Note of a Bird Song)
To reach Level 4, you must grow and harvest the fruit from:
A Rosa Amora (♥ Fruit).
To reach Level 5, you must grow and harvest the fruit from:
A Stella Velleflora (Wishing Star)
To reach Level 6, you must grow and harvest the fruit from:
A Solaris Igniflora. (Ray of Sunshine)
To reach Level 7, you must grow and harvest the fruit from:
A Luna Serena (Moon Fruit)
To reach Level 8, you must grow and harvest the fruit from:
A Apis Meliflora (Honey Bee)
To reach Level 9, you must grow and harvest the fruit from:
A Dulcia Somniflora (Dream Bubble)
To reach Level 10, you must grow and harvest the fruit from:
A Carmena Aviflora (Seasonal Bird)
To reach Level 11, you must grow and harvest the fruit from:
All 4 colours of Carmena Aviflora (Seasonal Bird) including those already harvested in previous levels
1 Opis Centiflora (Pot of Gold)
To reach Level 12, you must grow and harvest the fruit from:
1 Moyogi Bonsai. (Rainbow ♥ Fruit)
To reach Level 13, you must grow and harvest the fruit from:
1 Chie Bonsai (Chie Fruit)
To reach Level 14, you must grow and harvest the fruit from:
1 Taiyo Bonsai (Sun and Rain Fruit)
To reach Level 15, you must grow and harvest the fruit from:
1 precious* Flora Praecocia.
To reach Level 16, you must grow and harvest the fruit from:
1 precious Rosa Praecocia
To reach Level 17, you must grow and harvest the fruit from:
1 precious Tulipa Praecocia
To reach Level 18, you must grow and harvest the fruit from:
1 Opis Magiflora (Pot of Treasure)
To reach Level 19, you must grow and harvest the fruit from:
2 different Odonata Igniflora (Dragonfly)
To reach Level 20, you must grow and harvest the fruit from:
All 4 different Odonata Igniflora (Dragonfly), including those already grown
1 Lilium Ranidae (Fairyland Frog)
To reach Level 21, you must grow and harvest the fruit from:
2 different Piscis Aquabullae (Bubblefish)
To reach Level 22, you must grow and harvest the fruit from:
4 different Piscis Aquabullae (Bubblefish), including those already grown
1 Solaris Lycaena (Sunshine Butterflies)
To reach Level 23, you must grow and harvest the fruit from:
6 different Piscis Aquabullae (Bubblefish), including those already grown
1 Cumulus Amora (♥ Shaped Cloud)
To reach Level 24, you must grow and harvest the fruit from:
All 7 different Piscis Aquabullae (Bubblefish) including those already grown
1 Fructus Odonata (Flying Banana)
To reach Level 25, you must grow and harvest the fruit from:
1 Opis Iridiflora (Pot of Rainbow Gold)
To reach Level 26, you must grow and harvest the fruit from:
1 Asteres Planetai (Mercury, Mars, Venus)
To reach Level 27, you must grow and harvest the fruit from:
2 different Asteres Planetai (Mars, Mercury, Venus), including those already grown
1 Magnus Planetai (Jupiter, Saturn)
To reach Level 28, you must grow and harvest the fruit from:
All 3 different Asteres Planetai (Mars, Mercury, Venus), including those already grown
Both different Magnus Planetai (Jupiter, Saturn), including those already grown
Both different Hibernus Planetai (Neptune, Uranus)
To reach Level 29, you must grow and harvest the fruit from:
1 Cattus Peloflorus (Inchworm)
To reach Level 30, you must grow and harvest the fruit from:
1 Flora Formicidae (Ant)
To reach Level 31, you must grow and harvest the fruit from:
1 Opis Auriflora (Pot of Gold)
To reach Level 32, you must grow and harvest the fruit from:
1 Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
To reach Level 33, you must grow and harvest the fruit from:
2 different Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
1 Dulcia Zingibera (Gingerbread Man)
To reach Level 34, you must grow and harvest the fruit from:
3 different Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
1 Dulcia Saccaflora (Lollipop)
To reach Level 35, you must grow and harvest the fruit from:
All 4 different Ventus Quatriflorus (Northerly Wind, Easterly Wind, Southerly Wind, Westerly Wind)
1 Dulcis Fructus (Chocolate Strawberry)
To reach Level 36, you must grow and harvest the fruit from:
1 Dulcia Glaciaflora (Ice Cream)
To reach Level 37, you must grow and harvest the fruit from:
1 Opis Solaflora (Pot Of Gold)
To reach Level 38, you must grow and harvest the fruit from:
1 Aureus Naturalis (Golden Purse)
To reach Level 39, you must grow and harvest the fruit from:
1 Aureus Fibonaccius (Golden Purse)
To reach Level 40, you must grow and harvest the fruit from:
1 Aureus Primus (Golden Purse)
To reach Level 41, you must grow and harvest the fruit from:
1 Aureus Triangularis (Golden Purse)
To reach Level 42, you must grow and harvest the fruit from:
1 Opis Alia Iridiflora
_______
*Grey Flowers (Worthless Stones) are not Precious. See the Praecocia Guide for more info.