Calamagrostis × acutiflora ‘Overdam’
Feather reed grass
Feather reed grass is a group of cultivated grasses valued as ornamental plants in landscape plantings. They are not found in nature. Calamagrostis × acutiflora ‘Overdam’ is actually a hybrid of C. arundinacea x C. epigejos. (If you’re wondering why it is called ‘Overdam,’ well so am I.)
Plants: This grass grows in clusters 2–4′ (60–121 cm) high and 1–2′ (30–60 cm) around. It is more compact than other varieties.
Leaves: The foliage reaches about halfway up the cluster; the rest is flowerheads on long stalks. Leaves are variegated with green and white stripes.
Flowers: Light green at first, becoming pinkish green, blooming from July to February.
Fruits: Gold-colored seeds fade to tan.
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Some cultivars. |
Online References:
Ucanr.edu (Calamagrostis×acutiflora)
9/7/2010 · New England Botanic Garden at Tower Hill, Boylston, Massachusetts 
9/7/2010 · New England Botanic Garden at Tower Hill, Boylston, Massachusetts · ≈ 1 × 2′ (41 × 62 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Liliopsida | Monocots (plants with a single seed leaf); includes the lily family |
| Subclass | Commelinidae | Dayflowers and spiderworts, and several others |
| Order | Cyperales | Flowering plants including grasses |
| Family | Poaceae | Grasses (but not sedges or rushes) |
| Genus | Calamagrostis | From the Greek kalamos, “a reed or stalk,” and agrostis, “grass or weed,” |
| Species | acutiflora |
Calamagrostis × acutiflora ‘Overdam’ description by Thomas H. Kent, not updated.
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