| Dandelion (Taraxacum sp.) | | 2024-04-25 | 2024-04-25 | Porsgrunn sentrum (Telemark, Norway) |
| Haredylle (Sonchus oleraceus) | | 2023-05-28 | 2023-05-23 | Porsgrunn sentrum (Telemark, Norway) |
| Svaleurt (Chelidonium majus) | | 2023-05-23 | 2023-05-23 | Porsgrunn sentrum (Telemark, Norway) |
| Creeping Buttercup (Ranunculus repens) | | 2023-05-23 | 2023-05-23 | Porsgrunn sentrum (Telemark, Norway) |
| Dauvnesle (Lamium album) | | 2023-05-23 | 2023-05-23 | Porsgrunn sentrum (Telemark, Norway) |
| Yellow Star-of-Bethlehem (Gagea lutea) | | 2023-04-18 | 2023-04-18 | Porsgrunn sentrum (Telemark, Norway) |
| Påskeliljeslekta (Narcissus sp.) | | 2023-04-18 | 2023-04-18 | Porsgrunn sentrum (Telemark, Norway) |
| Dauvnesle (Lamium album) | | 2022-05-18 | 2022-05-17 | Porsgrunn sentrum (Telemark, Norway) |
| Horse-chestnut (Aesculus hippocastanum) | | 2022-05-11 | 2022-05-11 | Porsgrunn sentrum (Telemark, Norway) |
| Marsh-marigold (Caltha palustris) | | 2022-05-09 | 2022-05-07 | Porsgrunn sentrum (Telemark, Norway) |
| Winter-cress (Barbarea vulgaris) | | 2022-05-03 | 2022-04-25 | Porsgrunn sentrum (Telemark, Norway) |
| Krabbekløver (Trifolium campestre) | | 2022-05-03 | 2022-04-25 | Porsgrunn sentrum (Telemark, Norway) |
| Åkersvineblom (Senecio vulgaris) | | 2022-05-03 | 2022-04-25 | Porsgrunn sentrum (Telemark, Norway) |
| Rødkløver (Trifolium pratense) | | 2022-05-03 | 2022-04-25 | Porsgrunn sentrum (Telemark, Norway) |
| Shepherd's-purse (Capsella bursa-pastoris) | | 2022-05-03 | 2022-04-25 | Porsgrunn sentrum (Telemark, Norway) |
| Yellow Star-of-Bethlehem (Gagea lutea) | | 2022-04-15 | 2022-04-13 | Porsgrunn sentrum (Telemark, Norway) |
| Crocus (Crocus sp.) | | 2022-03-04 | 2022-03-03 | Porsgrunn sentrum (Telemark, Norway) |
| Haredylle (Sonchus oleraceus) | | 2021-07-06 | 2021-06-02 | Porsgrunn sentrum (Telemark, Norway) |
| Hvitkløver (Trifolium repens) | | 2021-07-06 | 2021-06-02 | Porsgrunn sentrum (Telemark, Norway) |
| Prestekrage (Leucanthemum vulgare) | | 2021-07-06 | 2021-06-02 | Porsgrunn sentrum (Telemark, Norway) |
| Horse-chestnut (Aesculus hippocastanum) | | 2021-06-26 | 2021-06-02 | Porsgrunn sentrum (Telemark, Norway) |
| Sølvmure (Potentilla argentea) | | 2021-06-26 | 2021-06-02 | Porsgrunn sentrum (Telemark, Norway) |
| Slyngsøtvier (Solanum dulcamara) | | 2021-06-26 | 2021-06-02 | Porsgrunn sentrum (Telemark, Norway) |
| Asalslekta (Sorbus sp.) | | 2021-06-26 | 2021-06-02 | Porsgrunn sentrum (Telemark, Norway) |
| Yellow Star-of-Bethlehem (Gagea lutea) | | 2021-04-07 | 2021-04-07 | Porsgrunn sentrum (Telemark, Norway) |
| Shepherd's-purse (Capsella bursa-pastoris) | | 2020-04-10 | 2020-04-08 | Porsgrunn sentrum (Telemark, Norway) |
| Dandelion (Taraxacum sp.) | | 2020-03-12 | 2020-03-12 | Porsgrunn sentrum (Telemark, Norway) |
| Åkersvineblom (Senecio vulgaris) | | 2020-02-17 | 2020-02-17 | Porsgrunn sentrum (Telemark, Norway) |
| Crocus (Crocus sp.) | | 2020-02-17 | 2020-02-17 | Porsgrunn sentrum (Telemark, Norway) |
| Svaleurt (Chelidonium majus) | | 2019-04-26 | 2019-04-26 | Porsgrunn sentrum (Telemark, Norway) |
| Småtorskemunn (Chaenorhinum minus) | | 2018-05-22 | 2018-05-22 | Porsgrunn sentrum (Telemark, Norway) |
| Slyngsøtvier (Solanum dulcamara) | | 2018-05-18 | 2018-05-17 | Porsgrunn sentrum (Telemark, Norway) |
| Hestekastanjeslekta (Aesculus sp.) | | 2017-05-24 | 2017-05-24 | Porsgrunn sentrum (Telemark, Norway) |
| Common Chickweed (Stellaria media) | | 2017-05-18 | 2017-05-17 | Porsgrunn sentrum (Telemark, Norway) |
| Shepherd's-purse (Capsella bursa-pastoris) | | 2017-05-18 | 2017-05-17 | Porsgrunn sentrum (Telemark, Norway) |
| Svaleurt (Chelidonium majus) | | 2016-05-18 | 2016-05-17 | Porsgrunn sentrum (Telemark, Norway) |
| Murtorskemunn (Cymbalaria muralis) | | 2016-05-13 | 2016-05-12 | Porsgrunn sentrum (Telemark, Norway) |
| Crocus (Crocus sp.) | | 2016-03-09 | 2016-03-09 | Porsgrunn sentrum (Telemark, Norway) |
| Svaleurt (Chelidonium majus) | | 2015-05-04 | 2015-05-04 | Porsgrunn sentrum (Telemark, Norway) |
| Crocus (Crocus sp.) | | 2015-03-10 | 2015-03-10 | Porsgrunn sentrum (Telemark, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education