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PLANT PROFILE

Paeonia tenuifolia - Fernleaf Peony

Paeonia tenuifolia

Fernleaf Peony

This lovely perennial has graced our gardens in both Lambeth and Big Bay, Ontario without any fertilization or extra care whatsoever.  It is a feature no garden should be without.  The neighour who originally gave us a clump shared it with many others as well.  Thanks to his generosity, many plants identical to the one above are featured in gardens as far away as Scotland.

COMMON NAME Fernleaf Peony
PRONUNCIATION pee-OH-knee-uh  ten-you-ih-FOE-lee-uh
DERIVATION tenuifolius = slender-leaved
TYPE delicate, clump-forming herbaceous perennial
USES beautiful flower and foliage accent in the garden;  use foliage in arrangements
FLOWER single and double forms are available; flowers 2-1/2 to 3" wide
COLOUR various
FOLIAGE elegant, narrow, finely divided, fan-shaped, to 4" long
COLOUR green
HARDINESS Zone 3
EXPOSURE full sun; correct exposure necessary to help avoid botrytis blight
SOIL moist, well-drained, loamy, humusy
WATER buds need moisture to mature and open; water deeply during dry spells; ensure late summer moisture
HEIGHT 12" to 18"
SPREAD 12" to 18"
BLOOM May-June, well before other Paeonia forms
STAKING not necessary for single-flowered forms
DEADHEAD yes, for tidiness; always leave leafy growth intact, removing only the flower head or stalk
PROBLEMS botrytis blight may attack buds and flowers stalks, leaves and petioles; remove damaged parts immediately
may be caused by wet weather, poor drainage or planting in too much shade
for answers to many questions about fernleaf problems and their solutions visit   HORTISCOPE
AFTERCARE  
FALL CARE cut to ground level
PROPAGATION by division in late summer to very early fall i.e. September;
each division should have at least 3 to 5 "eyes"
SEED CULTURE not appropriate for named cultivars; sow about 1" deep; will not bloom for 3 to 4 years
FERTILIZER spring: 1-2 handsful of bone meal as leaves unfold;
after bloom: use a general formulation;
fall: generously with Milorganite or a similar product;
Note: avoid over-fertilization, especially with nitrogen
MULCH late in season; use manure (outside area of emerging shoots);
mulch is especially important during first winter to avoid frost heave
FORMS species: ruby-red flowers;  'Plena': deep red double;'Rubra Plena': deep red double flowers
CO-BLOOMERS COMPANION PLANTS

FERNLEAF PEONY

Paeonia tenuifolia - Fernleaf Peony foliage Paeonia tenuifolia - Fernleaf Peony plant Paeonia tenuifolia - Fernleaf Peony single flower in close-up

GARDEN PEONY

Paeonia lactiflora - two-tone Garden Peony Paeonia lactiflora - pink Garden Peony Paeonia lactiflora - red Garden Peony Paeonia lactiflora - white Garden Peony Paeonia lactiflora - large-flowered red Garden Peony

Paeonia lactiflora - two-tone pink Garden Peony close-up Paeonia lactiflora - pink Garden Peony close-up Paeonia lactiflora - red Garden Peony close-up Paeonia lactiflora - white Garden Peony close-up Paeonia lactiflora - double red Garden Peony close-up


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PLANT PARTNERSHIPS

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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