Plant Growing Guides

Hawaiian Loosestrife

Lythrum salicaria subsp. salicaria

Hawaiian Native Ferns

Various species (Cibotium, Sadleria, Asplenium, Polystichum, and others)

Hawaiian Plumbago

Plumbago auriculata subsp. auriculata

Hawaiian Sedge

Cyperus polystachyos var. texensis

Hawaiian Silk Oak

Grevillea robusta

Hawaii Blue Horizon

Ipomoea indica (or hybrid cultivar)

Hawera Daffodil

Narcissus pseudonarcissus 'Hawera'

Zebra Haworthia

Haworthia attenuata

Haworthia cooperi

Haworthia cooperi

Hawthorn

Crataegus species

Hawthorn

Crataegus species

Hazel Cosford Cob

Corylus avellana 'Cosford Cob'

Hazelnut

Corylus avellana

Headbourne Hybrids Agapanthus

Agapanthus africanus 'Headbourne Hybrids'

Headbourne Hybrids Agapanthus 'Blue Moon'

Agapanthus africanus 'Blue Moon'

Heartleaf Ampelopsis

Ampelopsis cordata

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'

Cornish Heath

Erica vagans

Heather and Heath

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

Heath

Erica spp.

Heath and Heather

Erica and Calluna species

Heath and Heather

Erica spp. and Calluna vulgaris

Heat-Tolerant Lettuce

Lactuca sativa var. crispa/capitata

Heavenly Bamboo

Nandina domestica

Heavenly Bamboo Moonlight

Nandina domestica 'Moonlight'

Heavenly Bamboo 'Obsessed'

Nandina domestica 'Obsessed'

Heavenly Bamboo San Gabriel

Nandina domestica 'San Gabriel'

Heavenly Blue

Ipomoea tricolor 'Heavenly Blue'

Hebe

Hebe spp.

Hebe 'Autumn Glory'

Hebe × 'Autumn Glory'

Elliptic Hebe

Hebe elliptica

Hebe 'Midsummer Beauty'

Hebe × 'Midsummer Beauty'

Hebe 'Purple Queen'

Hebe × 'Purple Queen'

Hebe 'Red Edge'

Hebe × 'Red Edge'

Hebe 'Sapphire'

Hebe × 'Sapphire'

Hebe 'Snow White'

Hebe × 'Snow White'

Hebe 'White Wand'

Hebe × 'White Wand'

Hechtia

Hechtia spp.

Silvered Hechtia

Hechtia argentea

Black-fruited Hechtia

Hechtia melanocarpa

Hechtia texensis

Hechtia texensis

Persian Ivy

Hedera colchica

Baby Ivy

Hedera helix 'Baby'