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PLANT PROFILE


Knautia macedonica

Knautia macedonica

Crimson Scabious

A genus of summer-flowering annuals and perennials, Knautia has interesting double pincushion-type flowers that show its close relationship with Scabiosa. Its interesting foliage and wonderful raspberry-red colouration make it a great addition to any perennial border. The most commonly available form, Knautia macedonica, has already become one of my garden favourites. The strappy foliage in the image above is from a nearby Siberian Iris.

PRONUNCIATIONGNAW-tee-uh  mass-ih-DAWN-ih-kuh
COMMON NAMECrimson Scabious, Crimson Pincushion
SYNONYMSScabiosa rumelica
DERIVATIONmacedonica = from Macedonia, Macedonian
NAMED AFTERa 17th. Century Saxon botanist, Dr. Christopher Knaut (1638-1694)
FAMILYDipsicaceae - Teasel
TYPEupright, sometimes sprawling, bushy perennial; may perform like a biennial
USESexcellent cut flower, for dried arrangements, good filler plant in borders, attracts hummingbirds and butterflies
FLOWERtiny, double, almost globular, in domed clusters on long stems, followed by attractive green seed-heads
COLOURbright crimson red, sometimes called wine-red; may be flecked with white
FOLIAGEdeeply divided; two distinct kinds of leaves, those higher on the clump being more deeply divided than those at the bottom
STEMSlax, branching, 30-45" stems
COLOURsoft green
HARDINESSZone 5
EXPOSUREfull sun
SOILaverage, well-drained
WATERmedium moisture with occasional deep waterings; fairly drought-tolerant once established
HEIGHT30"
SPREAD24"
BLOOMJune until frost
STAKINGyes, unless you prefer the sprawling charm of this plant
DEADHEADyes, to encourage continuous rebloom until frost
PROBLEMSnone serious
AFTERCAREfor best flowering, remove spent flowers and fertilize regularly
FALL CAREcut to ground level
PROPAGATIONbasal cuttings in spring; seed in autumn or spring;
seed apparently germinates best after cold treatment, then with fluctuating temperatures - see below for more details
SEED CULTUREMETHOD 1
sow indoors in containers in spring, 10-12 weeks prior to last spring frost;
cover lightly with vermiculite and moisten;
germination will occur after 10 days;
keep seedlings as cool as possible and provide shade from extremes of direct sunlight;
plants will bloom the first year from seed
METHOD 2
after sowing seed, place container inside a plastic baggie, with a 68-70F temperature for a week,
then set container in refrigerator for 30 days,
finally move container to a location at 68-70F where germination should begin in 10-30 days
METHOD 3
set container in a sheltered location outdoors in late winter to early spring,
check for germination as weather warms
FERTILIZERapply a slow-release fertilizer in early summer
MULCH 
FORMSKnautia is a genus of about 60 species of summer-flowering annuals and perennials;
Knautia arvensis has bluish-lilac flowers
COMPANION PLANTS COMPANIONS PLANTS


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BLUE PERENNIALS    Aconitum - Geranium  |  Iris - Vinca

BULBS    Allium - Hyacinthus  |  Narcissus only  |  Tulipa only  |  Minor Bulbs

BUTTERFLY MAGNETS    Anaphalis - Hemerocallis  |  Liatris - Veronicastrum
DAYLILIES      Spider & Unusual Form

EDGERS    Arabis - Iris  |  Nepeta - Veronica

FOLIAGE PERENNIALS     Alchemilla - Tanacetum

HOSTA    Hosta - all

HUMMINGBIRD-FRIENDLY PERENNIALS    Alcea - Salvia

ORANGE PERENNIALS    Achillea - Tulipa

ORNAMENTAL GRASSES    Acorus - Imperata |  Miscanthus - Spodiopogon

PINK PERENNIALS    Achillea - Lilium  |  Lychnis - Veronica

PURPLE PERENNIALS    Aconitum - Liatris  |  Polemonium - Veronica

RED PERENNIALS    Achillea - Veronica

SHADE PERENNIALS    Aegopodium - Erythronium  |  Ferns - Polemonium  |  Polygonatum - Vinca

SILVER FOLIAGE PERENNIALS    Achillea - Cerastium    |    Cornus - Limonium    |    Lunaria - Veronica

SIMPLY SPECIAL PERENNIALS    Acanthus - Saxifraga

WHITE PERENNIALS    Achillea - Iris  |  Kalimeris - Yucca

YELLOW PERENNIALS    Achillea - Hypericum  |  Inula - Verbascum

VARIEGATED-FOLIAGE PERENNIALS    Acorus - Erythronium  |  Hakonechloa - Lysimachia  |  Miscanthus - Yucca

PLANT PROFILES

Dianthus 'Tiny Rubies'  |  Geranium  |  Geum coccineum  |  Kerria japonica  |  Knautia macedonica

Paeonia tenuifolia  |  Papaver somniferum  |  Rudbeckia  |  Salvia 'East Friesland'

Trollius  |  Veronica 'Sunny Border Blue'

PROPAGATION

DIVISION - SPRING ONLY  |   DIVISION - FALL ONLY  |   DIVISION - SPRING OR FALL  |   DO NOT DIVIDE

FERTILIZATION

BULBS  |   ORNAMENTAL GRASSES  |   PERENNIALS  |   SHRUBS  |   VINES

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