| canada | quebec | weigela floribunda | species | 1 | 0 |
| china | | weigela coraeensis | species | 3 | 0 |
| china | | weigela florida | species | 9 | 0 |
| china | | weigela japonica var. sinica | varietas | 1 | 0 |
| china | beijing | weigela florida | species | 5 | 0 |
| china | hebei | weigela florida | species | 2 | 0 |
| china | jilin | weigela florida | species | 1 | 0 |
| japan | | weigela coraeensis | species | 1 | 0 |
| japan | | weigela decora | species | 1 | 0 |
| japan | | weigela florida | species | 9 | 0 |
| japan | | weigela hortensis | species | 3 | 0 |
| japan | | weigela japonica | species | 1 | 0 |
| japan | | weigela maximowiczii | species | 1 | 0 |
| japan | | weigela middendorffiana | species | 1 | 0 |
| japan | aichi prefecture | weigela coraeensis | species | 5 | 0 |
| japan | aichi prefecture | weigela hortensis | species | 1 | 0 |
| japan | fukushima prefecture | weigela hortensis | species | 1 | 0 |
| japan | gifu prefecture | weigela hortensis | species | 2 | 0 |
| japan | hokkaido prefecture | weigela hortensis | species | 1 | 0 |
| japan | hokkaido prefecture | weigela middendorffiana | species | 1 | 0 |
| japan | iwate prefecture | weigela hortensis | species | 4 | 0 |
| japan | kagoshima prefecture | weigela japonica | species | 3 | 0 |
| japan | kumamoto prefecture | weigela japonica | species | 2 | 0 |
| japan | mie prefecture | weigela floribunda | species | 2 | 0 |
| japan | miyagi ken prefecture | weigela hortensis | species | 23 | 0 |
| japan | miyazaki prefecture | weigela japonica | species | 3 | 0 |
| japan | niigata prefecture | weigela hortensis | species | 1 | 0 |
| japan | okayama prefecture | weigela floribunda | species | 1 | 0 |
| japan | shiga prefecture | weigela hortensis | species | 3 | 0 |
| japan | shimane prefecture | weigela hortensis | species | 2 | 0 |
| japan | toyama prefecture | weigela hortensis | species | 2 | 0 |
| japan | wakayama prefecture | weigela floribunda | species | 1 | 0 |
| japan | yamagata prefecture | weigela hortensis | species | 3 | 0 |
| japan | yamagata prefecture | weigela maximowiczii | species | 2 | 0 |
| south korea | | weigela florida | species | 2 | 0 |
| south korea | | weigela florida var. venusta | varietas | 1 | 0 |
| south korea | | weigela hortensis | species | 1 | 0 |
| south korea | | weigela praecox | species | 1 | 0 |
| south korea | | weigela toensis | species | 1 | 0 |
| south korea | gangwon province | weigela subsessilis | species | 1 | 0 |
| south korea | north jeolla province | weigela subsessilis | species | 3 | 0 |
| united states | district of columbia | weigela florida | species | 3 | 0 |