| Gullbuskslekta (Forsythia sp.) | | 2022-04-15 | 2022-04-12 | | Flåtten (Telemark, Norway) | |
| Gullbusk (Forsythia suspensa) | | 2022-01-27 | 2022-01-02 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-09-20 | 2021-09-03 | | Gauselskogen (Rogaland, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-09-06 | 2021-08-24 | | Kjeldevatnet (Vestland, Norway) |  |
| Ash (Fraxinus excelsior) | | 2021-09-03 | 2021-09-03 | | Oasen skole Birkelid AS (Agder, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-09-03 | 2021-09-03 | | Oasen skole Birkelid AS (Agder, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-09-03 | 2021-09-03 |  | Oasen skole Birkelid AS (Agder, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-08-30 | 2021-08-24 | | Kjeldevatnet (Vestland, Norway) | |
| Lilac (Syringa vulgaris) | | 2021-08-27 | 2021-08-27 | | Hyttebakken 28 (Nordland, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-07-07 | 2021-05-19 | | Mosvold (Agder, Norway) | |
| Lilac (Syringa vulgaris) | | 2021-07-07 | 2021-05-26 | | Mosvold (Agder, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-06-05 | 2021-06-01 | | Enge (Vestland, Norway) | |
| Lilac (Syringa vulgaris) | | 2021-06-02 | 2021-06-01 | | Bjørkelangen (Akershus, Norway) | |
| Lilac (Syringa vulgaris) | | 2021-06-02 | 2021-06-01 | | Bjørkelangen (Akershus, Norway) | |
| Syrinslekta (Syringa sp.) | | 2021-05-29 | 2021-05-29 | | Vaksvik (Møre og Romsdal, Norway) | |
| Syrinslekta (Syringa sp.) | | 2021-05-26 | 2021-05-26 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Lilac (Syringa vulgaris) | | 2021-05-23 | 2021-05-21 | | Øyekast (Telemark, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-05-22 | 2021-05-22 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Ash (Fraxinus excelsior) | | 2021-05-13 | 2021-05-13 | | Mosvold (Agder, Norway) | |
| Lilac (Syringa vulgaris) | | 2021-05-13 | 2021-05-08 | | Mosvold (Agder, Norway) | |
| Gullbusk (Forsythia suspensa) | | 2021-04-18 | 2021-04-18 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-09-15 | 2020-08-27 | | Gauselskogen (Rogaland, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-06-08 | 2020-06-08 | | Liavannet (Vestland, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-06-07 | 2020-05-02 | | Mosvold (Agder, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-06-07 | 2020-05-30 | | Mosvold (Agder, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-06-07 | 2020-05-30 | | Mosvold (Agder, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-06-04 | 2020-06-01 | | Lappland (Innlandet, Norway) | |
| Syrinslekta (Syringa sp.) | | 2020-06-03 | 2020-06-02 | | Vaksvik (Møre og Romsdal, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-06-01 | 2020-05-31 | | Bjørkelangen (Akershus, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-05-20 | 2020-05-12 | | Stridsklev (Telemark, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-05-12 | 2020-05-12 | | Lappland (Innlandet, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-05-12 | 2020-04-23 | | Stensengdalen 291 (Innlandet, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-05-06 | 2020-05-06 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-04-28 | 2020-04-27 | | Sandnes søndre (Vestfold, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-04-28 | 2020-04-20 | | Mosvold (Agder, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-04-27 | 2020-04-27 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Ash (Fraxinus excelsior) | | 2020-04-23 | 2020-04-23 | | Nes Verk rundt (Agder, Norway) | |
| Gullbuskslekta (Forsythia sp.) | | 2020-04-11 | 2020-04-11 | | Hage, Spillum (Trøndelag, Norway) | |
| Gullbusk (Forsythia suspensa) | | 2020-03-31 | 2020-03-30 | | Flåtten (Telemark, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-03-30 | 2020-03-30 | | Saksvik (Trøndelag, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-03-27 | 2020-03-18 | | Bratsbergkleiva skole (Telemark, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-03-27 | 2020-03-26 | | Dønnem (Møre og Romsdal, Norway) | |
| Gullbusk (Forsythia suspensa) | | 2020-03-26 | 2020-03-25 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-03-26 | 2020-03-25 | | Bratsbergkleiva skole (Telemark, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-03-25 | 2020-03-25 | | Bratsbergkleiva skole (Telemark, Norway) | |
| Gullbusk (Forsythia suspensa) | | 2020-03-24 | 2020-03-24 | | Bratsbergkleiva skole (Telemark, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-03-24 | 2020-03-24 | | Bratsbergkleiva skole (Telemark, Norway) | |
| Lilac (Syringa vulgaris) | | 2020-03-05 | 2020-03-05 | | Bakkane (Vestland, Norway) | |
| Gullbuskslekta (Forsythia sp.) | | 2020-03-05 | 2020-03-23 | | Herumveien 33, Ås (Akershus, Norway) | |
| Lilac (Syringa vulgaris) | | 2019-09-23 | 2019-09-20 | | Greåker videregående skole (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education