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Ornamental Grasses
- Garden Perennials
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A mass planting of
ornamental grass Stipa arundinacea around a feature statue
at Anglesey
Abbey Cambridgeshire UK.
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Grasses have been among the trendiest
plants to have in the garden in recent years. Fashion aside, there are plenty
of reasons to have them in your garden
Grasses have a subtle beauty, their
flowers are wind-pollinated and therefore not bright and showy, but feathery
and delicate and usually very much in keeping with the rest of the plant
rather than being a brightly colored button of a flower stuck on leaves
of a totally different shape.
Grasses animate the garden with movement
and often with sound. The slightest breeze will set their slender leaves
and drooping flower heads into motion and cause gentle rustling sounds.
The shapes and colors of their leaves
give a excellent contrast to other features in the garden, to broad-leaved
plants and their showy flowers or to the materials and textures of wood,
stone, gravel, ceramics etc. that we may have in the garden.
The plants featured are recommended
as they are reliable in most soils in most regions and are widely available.
Growing
tips and care
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Most grasses prefer a sunny
position, colored varieties produce their best colors in
full sun, if too shady, they tend to go more to a mid-green
color. |
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Once established, grasses tend to be trouble free. prepare
the soil with organic matter before planting and look after
them through the first summer. Thereafter they will need little
care other than weeding. |
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Cut down deciduous grasses in February (these are the
ones that turn brown over the winter), this will encourage them
to put on a spurt of growth come spring. New growth doesn't
look so good when growing through old dead leaves.
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Evergreen grasses shouldn't be cut back drastically as they
can take a while to recover. In spring though old tatty
leaves with damaged split ends can be trimmed back or removed
to tidy the plant up. Also, remove old flowering spikes as they
bend or fall over to make way for new. |
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Propagation
Grasses are generally straightforward to
propagate, many can be propagated from seed and almost all can be propagated
by division. If you want to make a display of a large number of grasses,
such as in the pictures of Stipa arundinacea or Festuca ovina
glauca on this page, then propagating will be essential unless you're
very rich!
Seed of some grasses such as Festuca ovina glauca will yield a
mix of plants of various shades (of blue in this case), to select the
best colored ones, prick seedlings out into seed trays, about 15 in each
and then be fairly ruthless about discarding the greener individuals to
get the best colored plants.
Division;
Of almost all types is successful. Dig them up when actively growing in
spring or early summer and simply pull apart. They will separate at the
naturally weakest region to give two plants with decent root systems. These
can then be planted straight away.
If you wish to build up stocks from container grown plants, then split the
plant when the roots fill the pot, with one plant sepe4ating into 3 or 4
offspring, and re-pot, place them in a sunny position and make sure you
water them well! This can be repeated as many times as necessary not forgetting
a liquid feed, eventually place them in 2L pots and then plant them in the
ground when they fill these. This will give you the quickest way to a good
sized display of good sized plants.
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Grass - Dwarf Fountain
zones 4-9 -
full sun |

Grass - Indian
zones 4-9 -
full sun |

Grass - Autumn Moor
zones 5-11 -
partial sun |
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Festuca ovina - Blue fescue
Glaucous blue-green leaves, forms clump about 8in high, long
flower spikes in late spring and early summer, plant in bright sun for best
color, look especially good planted in groups of least 3. Several named
varieties available, "Elijah blue", and "Blaufuchs" syn. "Blue fox" amongst
the best. Also good in pots and containers where it can be a permanent resident
amongst spring or summer flowering bulbs or bedding.
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Grass - Mexican Feather
zones 7-11 -
partial sun |
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Cortaderia selloana - Pampas grass
It's had a bit of a bad press
has poor old pampas grass with its connotations of 1970's housing.
Like some other plants though, it's earned its reputation unfairly, largely
as a result of being planted inappropriately. It is a big plant 6ft
tall by about the same wide with flower panicles to 10ft, so plant it slap
bang in the middle of a small lawn and it will look completely overwhelming.
Maybe people thought "oh its only a grass, it can't be that big".
Best planted at the margins
of a garden or at the back of a mixed border unless you have great expanses
of lawn. If you can, plant it so that the sun sets behind it when viewed
from your house or usual garden viewing place and you could well come to
love it. It's very resilient and an easy plant to grow, try it in a difficult
area where its natural vigour may well allow it to thrive while the difficult
conditions will keep it smaller than normal size (but with less flower panicles).
Be careful where you place
pampas grass, particularly if you have children, and also when trimming
it. The leaves look soft and harmless, but they have very sharp and nasty
backwards pointing saw teeth along their edges. Always wear gloves when
cutting it back.
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Miscanthus sinensis
Large noble grasses and impressive with it. Available as
many different named hybrids, many good ones, particularly "Silberfeder"
syn. silver feather and "Cosmopolitan", "zebrinus" is a horizontally
striped version with yellow bands on mid green leaves. Grow alone
or as a part of a border. Flower panicles good for floral art (or hitting
friends / siblings - depending on age). 4ft to 9ft when in flower.
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Grass - Big Bluestem
zones 4-10
full sun |

Grass - Blue Oat
zones 4-11
full sun |

Grass - Denver Botanic Garden Brome
zones 5-11
partial sun |

Grass - China Love
zones 7-11
full sun |

Grass - Dwarf Variegated Ribbon
zones 4-11
partial sun |

Grass - Dwarf White Striped Sweet Flag
zones 5-11
partial sun |

Grass - Evergold Sedge
zones 5-11
partial sun |

Grass - Feather Reed
zones 4-9
partial sun |

Grass - Golden Fruited Sedge
zones 4-11
partial sun |

Grass - Golden Toupee Fescue
zones 5-11
partial sun |

Grass - Golden Variegated Hakone
partial sun |

Grass - Golden Variegated Sweet Flag
zones 5-11
partial sun |

Grass - Green Sedge
zones 7-11
partial sun |

Grass - Heavy Metal Switch
zones 4-9
full sun |

Grass - Horsetail Rush
zones 3-11
partial sun |

Grass - Leather Leaf Sedge
zones 5-11
partial sun |

Grass - Little Bluestem
zones 3-10
partial sun |

Grass - New Zealand Hair Sedge
zones 7-11
partial sun |

Grass - Northern Pampas
zones 5-9
full sun |

Grass - Northern Sea Oats
zones 5-11
partial sun |

Grass - Orange Sedge
zones 7-11
partial sun |

Grass - Oriental Fountain Tall Tales
zones 6-9
full sun |

Grass - Perennial Quaking
zones 4-11
partial sun |

Grass - Prairie Dropseed
zones 3-9
full sun |

Grass - Purple Fountain
zones 9-11
full sun |

Grass - Red Bunny Tails Fountain
zones 7-11
full sun |

Grass - Shenandoah Switch
zones 4-9
full sun |

Grass - Slender Veldt
zones 7-11
full sun |

Grass - Soft Rush
zones 4-11
partial sun |

Grass - The Blues Little Bluestem
zones 4-9
full sun |

Grass - Toffee Twist Sedge
zones 7-11
partial sun |

Grass - Variegated Ribbon
zones 4-11
partial sun |

Grass - Variegated Miscanthus
zones 5-9
full sun |
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