Plant Growing Guides

Hard-stem bulrush

Schoenoplectus acutus

Hardy Ferns

Polypodiopsida (various species)

Hardy Heather

Calluna vulgaris

Hardy Pear Cactus

Opuntia humifusa

Hardy Perennials

Perennials (various species)

Hardy Sedges

Carex spp.

Harebell

Campanula rotundifolia

Harrington's Pink

Dianthus armeria var. Harrington's Pink

Hart's Tongue Fern

Asplenium scolopendrium

Haskap

Lonicera caerulea var. edulis

Haskap 'Indigo Gem'

Lonicera caerulea var. caerulea

Haskap Kamchatka

Lonicera kamchatica

Alum Root

Heuchera villosa

Hawaiian Loosestrife

Lythrum salicaria subsp. salicaria

Hawera Daffodil

Narcissus pseudonarcissus 'Hawera'

Hawthorn

Crataegus species

Hawthorn Crimson Cloud

Crataegus laevigata 'Crimson Cloud'

Hawthorn Paul's Scarlet

Crataegus laevigata 'Paul's Scarlet'

Hawthorn 'Paul's Scarlet'

Crataegus laevigata 'Paul's Scarlet'

Hawthorn

Crataegus species

Hay-scented Fern

Dennstaedtia punctilobula

Hazel

Corylus avellana

Hazel Cosford Cob

Corylus avellana 'Cosford Cob'

Hazel Filbert

Corylus avellana

Hazelnut

Corylus avellana

Heart and Soul Hosta

Hosta 'Heart and Soul'

Heartleaf Brunnera

Brunnera macrophylla

Heart's Delight Tulip

Tulipa humilis 'Heart's Delight'

Heather

Calluna vulgaris

Heather 'Boskoop'

Calluna vulgaris 'Boskoop'

Heather Darkness

Calluna vulgaris 'Darkness'

Heather Firefly

Calluna vulgaris 'Firefly'

Heather Silver Queen

Calluna vulgaris 'Silver Queen'

Heather Dark Beauty

Calluna vulgaris 'Dark Beauty'

Heather 'Gardeners' World'

Calluna vulgaris 'Gardeners' World'

Heather October Pink

Calluna vulgaris 'October Pink'

Heather Pink Eve

Calluna vulgaris 'Pink Eve'

Heather Purple Beauty

Calluna vulgaris 'Purple Beauty'

Heather and Heath

Calluna vulgaris (Heather) and Erica spp. (Heath)

Heather Winter Fire

Calluna vulgaris 'Winter Fire'

Heathland Grasses

Various species (e.g., Festuca ovina, Molinia caerulea, Deschampsia flexuosa)

Heath and Heather

Erica and Calluna species

Heath and Heather

Erica spp. and Calluna vulgaris

Heat-Tolerant Lettuce

Lactuca sativa var. crispa/capitata

Heavenly Blue

Ipomoea tricolor 'Heavenly Blue'

Baltica English Ivy

Hedera helix 'Baltica'

Buttercup English Ivy

Hedera helix 'Buttercup'

Hedge Cotoneaster

Cotoneaster lucidus