What’s Blooming in September?
If you are looking for something specific, try the “find in page” feature of your browser. In the interest of saving space, most very common plants such as white clover are omitted.
Month at a glance:
- Week 1: days 1-7
- Week 2: days 8-14
- Week 3: days 15-21
- Week 4: days 22 to month-end
Key:
- b: budding or first blooms
- f: full bloom
- g: going to seed or blooms fading
Locations are as follows:
- Coon Rapids Dam Regional Park (CRDRP), Coon Rapids, MN
- Fort Snelling State Park (FSSP), St Paul, MN
- Long Lake Regional Park (LLRP), New Brighton, MN
- Maplewood Nature Center (MNC), Maplewood, MN
- Pioneer Park (PP), Blaine, MN
Regrettably, trips to Wild River State Park (WRSP) will be infrequent for the rest of the season.
| Plant name | Week 1 | Week 2 | Week 3 | Week 4 | ||||
|---|---|---|---|---|---|---|---|---|
| Alfalfa Medicago sativa (CRDRP) | f | f | f | f | ||||
| American Bellflower Campanula americana (FSSP) | g | |||||||
| Asiatic Dayflower Commelina communis (LLRP) | f | f | f | f | ||||
| Azure Aster Symphyotrichum oolentangiense (LLRP) | f | f | f | f | ||||
| Bigbract Verbena Verbena bracteata (LLRP) | f | f | f | g | ||||
| Blood Milkwort Polygala sanguinea (PP) | g | |||||||
| Blue Giant Hyssop Agastache foeniculum (LLRP) | f | f | f | f | ||||
| Bottle Gentian Gentiana andrewsii (LLRP) | g | |||||||
| Bouncing Bet Saponaria officinalis (PP) | f | g | ||||||
| Bur Cucumber Sicyos angulatus (CRDRP) | f | g | ||||||
| Canada Goldenrod Solidago canadensis (LLRP) | f | f | g | |||||
| Carpetweed Mollugo verticillata (CRDP) | f | g | ||||||
| Cheerful Sunflower Helianthus x laetiflorus (LLRP) | f | g | ||||||
| Common Sowthistle Sonchus oleraceus (LLRP) | f | f | f | f | ||||
| Cross-leaved Milkwort Polygala cruciata (PP) | f | g | ||||||
| Cut-leaf Coneflower Rudbeckia laciniata (FSSP) | f | f | g | |||||
| Ditch Stonecrop Penthorum sedoides (CRDRP) | f | f | f | g | ||||
| Dotted Smartweed Polygonum punctatum (LLRP) | f | f | f | g | ||||
| False Foxglove Agalinis tenuifolia (PP) | f | g | ||||||
| Field Bindweed Convolvulus arvensis (LLRP) | f | g | ||||||
| Field Sagewort Artemisia campestris (LLRP) | f | f | g | |||||
| Flowering Spurge Euphorbia corollata (LLRP) | g | |||||||
| Giant Sunflower Helianthus giganteus (PP) | f | g | ||||||
| Gray Goldenrod Solidago nemoralis (LLRP) | f | f | f | g | ||||
| Great Blue Lobelia Lobelia siphilitica (LLRP) | f | f | f | g | ||||
| Groundnut Apios americana (LLRP) | g | |||||||
| Gumweed Grindelia squarrosa (LLRP) | f | f | f | g | ||||
| Hedge Bindweed Calystegia sepium (PP) | f | g | ||||||
| Hemp Cannabis sativa (LLRP) | f | f | f | |||||
| Jerusalem Artichoke Helianthus tuberosus (LLRP) | f | f | f | f | ||||
| Jumpseed Polygonum virginianum (CRDRP) | g | |||||||
| Lance-leaf Fog Fruit Phyla lanceolata (CRDRP) | f | g | ||||||
| Large-leaved Aster Aster macrophyllus (PP) | f | f | f | f | ||||
| Marsh St. Johnswort Triadenum fraseri (PP) | g | |||||||
| Maximilian's Sunflower Helianthus maximiliani (FSSP) | f | f | f | f | ||||
| New England Aster Symphyotrichum novae-angliae (LLRP) | b | f | f | |||||
| Nodding Bur Marigold Bidens cernua (LLRP) | f | f | f | g | ||||
| Nodding Ladie's-tresses Spiranthes cernua (PP) | g | |||||||
| Nodding Smartweed Polygonum lapathifolium (LLRP) | f | f | f | |||||
| Northern Bugleweed Lycopus uniflorus (LLRP) | f | g | ||||||
| Obedient Plant Physostegia virginiana (CRDRP) | g | |||||||
| Purple Loosestrife Lythrum salicaria (LLRP) | g | |||||||
| Purple Stem Aster Aster puniceus (PP) | f | f | ||||||
| Red-whisker Clammyweed Polanisia dodecandra (CRDRP) | g | |||||||
| Rough Blazing-star Liatris aspera (LLRP) | f | g | ||||||
| Round-headed Bush Clover Lespedeza capitata (LLRP) | g | |||||||
| Showy Goldenrod Solidago speciosa (LLRP) | b | f | f | g | ||||
| Silky Aster Symphyotrichum sericeum (LLRP) | f | f | g | |||||
| Small-flowered False Foxglove Agalinis paupercula (LLRP) | f | g | ||||||
| Small-spike False Nettle Boehmeria cylindrica (LLRP) | f | g | ||||||
| Sneezeweed Helenium autumnale (FSSP) | f | f | g | |||||
| Spotted Lady's Thumb Polygonum persicaria (LLRP) | f | g | ||||||
| Spotted Touch-me-not Impatiens capensis (LLRP) | f | f | f | g | ||||
| Stiff Goldenrod Solidago rigida (LLRP) | f | g | ||||||
| Stinging Nettle Urtica dioica (LLRP) | f | f | f | f | ||||
| Swamp Smartweed Polygonum amphibium (LLRP) | f | f | f | f | ||||
| Tall Boneset Eupatorium altissimum (LLRP) | f | f | f | f | ||||
| Thyme-leaf Speedwell Veronica serpyllifolia (LLRP) | f | f | f | f | ||||
| White Sage Artemisia ludoviciana (LLRP) | f | g | ||||||
| White Snakeroot Ageratina altissima (LLRP) | f | f | f | f | ||||
| Wild Cucumber Echinocystis lobata (LLRP) | f | g | ||||||
| Wild Lettuce Lactuca canadensis (LLRP) | f | f | g | |||||
| Wild Mint Mentha arvensis (LLRP) | g | |||||||
| Winged Pigweed Cycloloma atriplicifolium (CRDRP) | f | g | ||||||
| Zigzag Goldenrod Solidago flexicaulis (MNC) | f | f | f | g | ||||
