1: Install card (type: module)

2: Get CSV database file (No. I won't tell you where)

3: Run python3 convert.py DBFileName.csv > data.js

4: Move data.js to www/lovelace-flower-card/data/data.js

5: Get flower images and extract to www/lovelace-flower-card/data/Images

6: Setup card

type: custom:flower-card
entity: plant.my_plant
species: "tulipa 'hollandia'"

To get a list of the available species run python3 convert.py DBFilename.csv species. The value you want is the one after the colon. Enter it exactly like it says, with quotes and all.