Plant Encyclopedia
Poa pratensis subsp. pratensis var. pratensis (Kentucky bluegrass, "Nagahagusa")
Japanese name: ナガハグサ （長葉草）
Scientific name: Poa pratensis subsp. pratensis var. pratensis
[Overview]
A perennial 30–80 cm tall.
It has long rhizomes.
The stems form clumps.
The leaves are alternate, linear, 10–30 cm long and about 0.5 cm wide.
Conical inflorescences 8–15 cm long bear many pale green, ovate spikelets.
Each spikelet consists of 2–5 florets, and there are hairs on the veins of the lemma.
[History]
It was introduced as a forage grass in the early Meiji period.
Details
Names
English: Kentucky bluegrass, blue grass, smooth meadow-grass, common meadow-grass
Japanese: ナガハグサ（長葉草）、ケンタッキーブルーグラス
Japanese: ナガハグサ（長葉草）、ケンタッキーブルーグラス
Life form
Perennial
Habit
Terrestrial
Planting (or sowing) season
May, June, September, October
Flowering season
May, June, July
Distribution or origin
Eurasia
Height
300–800 mm
Leaf shape
Linear
Leaf arrangement
Alternate
Inflorescence
Spikelet
Flower color
Green
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seeds, Seedlings
Propagation
Seed, Division
Sun exposure
Full sun
Water needs
Moderate
Soil needs
Required
Tolerance
Cold tolerance
Suitable uses
Ground cover
Japan Flower Trade Code
69143
Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.