- Asparagus Asparagus
officinalis
- Beard-tongue Penstemon
sp.
- Blue-eyed
Grass Sisyrinchium angustifolium
- Boltonia B.
asteroides
- Bugleweed Ajuga
reptans
- Butterfly
Weed Asclepias
tuberosa
- Candytuft Iberis
sempervirens
- Cast-iron
Plant Aspidistra
elatior
- Comfrey Symphytum
officinale
- Coralbells Heuchera
sanguinea
- Dianthus
'Telstar' and 'Spring Beauty' Dianthus
sp.
- Dwarf Goldenrod Solidago
x hybrida
- Gerbera
Daisy Gerbera
jamesonii
- Hardy Begonia Begonia
grandis
- Heliopsis
("cut-and-come-again") Heliopsis
scabra
- Helleborus
(Lenten rose) Helleborus
orientalis
- Hidden Ginger
(hidden lily) Curcuma
petiolata
- Indian Pinks Spigelia
marilandica
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- Ironweed Veronia
altissima and V. angustifolia
- Joe-Pye
Weed Eupatorium
purpureum
- Lily (turk's
cap, Madonna, tiger, etc.) Lilium
sp.
- Mexican
or Mint Marigold Tagetes
lucida
- Mints Mentha
sp.
- Pachysandra Pachysandra
terminalis
- Peony ('Festiva
Maxima' and other early bloomers only) Paeonia
lactiflora
- Peruvian
Lily (parrot lily) Alstroemeria
pulchella
- Purple Heart Setcreasea
purpurpea
- Spiderwort Tradescantia
virginiana
- Trillium Trillium
cuneatum
- Umbrella
Sedge Cyperus
alternifolius
- Veronica
'Sunny Border Blue', 'Blue Charm', and 'Goodness Grows' Veronica
spicata
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