GardenersHQ

Plant Growing Guides

Genus Index : H to L

Welcome to the Growing plants genus index H-L section of the GardenersHQ website.


Index H


Hacquetia Plant

Growing Garden Hacquetia

Hacquetia. USDA hardiness zone: 4-9.


Hardenbergia Plant

Australian Sarsaparilla

Australian Sarsaparilla, Australian Lilac, Coral Pea. USDA hardiness zone: 9-10


Hedychium Plant

Growing Garland Flower

Garland Flower, Ginger Lily. USDA hardiness zone: 3-10


Hedyotis Plant

Growing Bluets

Bluets, Innocence, Quaker Bonnets. USDA hardiness zone: 3-8


Hedysarum Plant

Growing Sweetvetch

Sweetvetch, French Honeysuckle. USDA hardiness zone: 4-9


Helenium Plant

Growing Sneezeweed

Sneezeweed, False Sunflower. USDA hardiness zone: 3-9


Helianthemum Plant

Growing Rock Rose

Rock Rose, Sun Rose, Frostweed. USDA hardiness zone: 3-10


Helianthus Plant

Growing Sunflower

Sunflower, Jerusalem artichoke. USDA hardiness zone: 1-10


Helichrysum Plant

Growing Curry Plant

Curry Plant, Strawflower, Licorice Plant. USDA hardiness zone: 2-10


Heliophila Plant

Growing Cape Stock

Cape Stock, False Blue Flax, Wild Flax. USDA hardiness zone: 1-10


Heliopsis Plant

Growing False Sunflower

False Sunflower, Oxeye. USDA hardiness zone: 3-9


Heliotropium Plant

Growing Heliotrope

Heliotrope, Turnsole, Cherry Pie Flower. USDA hardiness zone: 3-10


Helipterum Plant

Growing Australian Everlasting

Australian Everlasting, Immortelle. USDA hardiness zone: 3-10


Helleborus Plant

Growing Hellebore

Hellebore, Christmas Rose, Lenten Rose, Setterwort. USDA hardiness zone: 3-9


Hemerocallis Plant

Growing Daylily

Daylily. USDA hardiness zone: 3-9


Hepatica Plant

Growing Liverleaf

Liverleaf, Liverwort. USDA hardiness zone: 4-8


Heracleum Plant

Growing Hogweed

Hogweed, Giant Hogweed, Cow Parsnip. USDA hardiness zone: 3-9


Herniaria Plant

Growing Rupturewort

Rupturewort. USDA hardiness zone: 3-9


Hesperis Plant

Growing Dame’s Rocket

Dame’s Rocket, Dames Violet, Garden Rocket. USDA hardiness zone: 3-9


Heuchera Plant

Growing Alum root

Alum root, Coral bells. USDA hardiness zone: 3-10


How to Grow Hibiscus

Growing Hibiscus

Members of the Hibiscus genus can be either half-hardy annuals or perennials. USDA hardiness zone: 3-10.

Find out more about Growing Hibiscus


Hieracium Plant

Growing Hawkweed

Hawkweed, Devil’s-paintbrush, Hierakion. USDA hardiness zone: 3-10


Hordeum Plant

Growing Barley

Barley, Squirrel-tail Grass. USDA hardiness zone: 3-10


How to Grow Hosta

Growing Hosta

Hosta is a genus of hardy perennials which includes species such as Plantain lily, Day Lily, and Funkia. USDA hardiness zone: 3-9.

Find out more about Growing Hosta


Humulus Plant

Growing Hop

Hop. USDA hardiness zone: 3-9


Hunnemannia Plant

Growing Tulip poppy

Tulip poppy, Mexican tulip poppy, Golden Cup. USDA hardiness zone: 6-10


Hutchinsia Plant

Growing Hutchinsia in the Garden

Hutchinsia. USDA hardiness zone: 4-8


Hyacinthus Plant

Growing Hyacinth

Hyacinth. USDA hardiness zone: 6-8


Hypericum Plant

Growing St John’s Wort

St John’s Wort, Tutsan, Aaron’s Beard. USDA hardiness zone: 5-9


Hyssopus Plant

Growing Hyssop

Hyssop. USDA hardiness zone: 3-10


Index I


Annual Iberis Plant

Growing Candytuft

Annual Candytuft. USDA hardiness zone: 1-10


Perennial Iberis Plant

Growing Perennial Candytuft

Perennial Candytuft. USDA hardiness zone: 3-10


How to Grow Impatiens

Growing Impatiens

Impatiens are usually grown as an half-hardy annual in the garden, commonly grown species include Busy Lizzie, Touch me not, Balsam, and Lady's slipper. USDA hardiness zone: 3-10

Find out more about Growing Impatiens


Incarvillea Plant

Growing Hardy Gloxinia

Hardy Gloxinia, Trumpet Flower. USDA hardiness zone: 3-8


Inula Plant

Growing Elecampane

Elecampane, British Yellowhead, Irish Fleabane. USDA hardiness zone: 3-9


Ionopsidium Plant

Growing Violet Cress

Violet Cress, Diamond Flower. USDA hardiness zone: 3-9


Ipomoea Plant

Growing Morning Glory

Morning Glory, Messina Creeper, Cypress Vine. USDA hardiness zone: 3-10


Iris Plant

Growing Flag

Iris, Flag. USDA hardiness zone: 2-9


Isatis Plant

Growing Woad

Woad, Dyer’s Woad. USDA hardiness zone: 3-10


Ixia Plant

Growing African Corn Lily

African Corn Lily, African Iris, Corn Lily, Wand flower. USDA hardiness zone: 3-10


Ixiolirion Plant

Growing Mountain Lily

Mountain Lily, Siberian Lily. USDA hardiness zone: 3-10


Index J


Jasione Plant

Growing Sheep's Scabious

Sheep's Scabious. USDA hardiness zone: 5-9


Jeffersonia Plant

Growing Twinleaf

Twinleaf, Manchuria, Rheumatism root. USDA hardiness zone: 5-8


Index K


Iris Kaempferi Plant

Growing Japanese Iris

Japanese Iris, Oriental Iris. USDA hardiness zone: 4-9


Kirengeshoma Plant

Growing Yellow Waxbells

Yellow Waxbells. USDA hardiness zone: 5-9


Kniphofia Plant

Growing Red-hot-poker

Red-hot-poker, Torch Lily. USDA hardiness zone: 5-9


Kochia Plant

Growing Burning Bush

Burning Bush, Fireball, Mexican Fireweed. USDA hardiness zone: 2-10


Koeleria Plant

Growing Junegrass

Junegrass. Blue Hair Grass. USDA hardiness zone: 4-9


Index L


Lagerstroemia Plant

Growing Crape Myrtle

Crape Myrtle. USDA hardiness zone: 7-10


Lagurus Plant

Growing Hare's-tail Grass

Hare's-tail Grass, Rabbit-tail Grass. USDA hardiness zone: 3-10


Lamium Plant

Growing Dead Nettle

Dead Nettle, Cobbler’s Bench. USDA hardiness zone: 3-8


Lampranthus Plant

Growing Ice Plant

Lampranthus, Ice Plant. USDA hardiness zone: 9-10


How to Grow Lantana

Growing Lantana

Lantana are husually grown as half-hardy annuals in the garden. Common names include Yellow Sage, Shrub Verbana, Ham 'n' Eggs, and Red sage. USDA hardiness zone: 6-10

Find out more about Growing Lantana


Lapageria Plant

Growing Copihue

Copihue, Chilean Bell Flower. USDA hardiness zone: 8-10


Lapeirousia Plant

Growing Freesia Laxa

Freesia Laxa, False Freesia. USDA hardiness zone: 3-10


Annual Lathyrus Plant

Growing Wild pea

Wild pea, Sweet pea. USDA hardiness zone: 1-10


Lathyrus Plant

Growing Sweet Pea

Sweet Pea, Bitter Vetch. USDA hardiness zone: 4-9


Lavandula Plant

Growing Lavander

Lavander. USDA hardiness zone: 5-9


Lavatera Plant

Growing Tree Mallow

Tree Mallow, Royal Mallow, Rose Mallow. USDA hardiness zone: 2-10


Layia Plant

Growing Tidy Tips

Tidy Tips. USDA hardiness zone: 3-10


Leontopodium Plant

Growing Edelweiss

Edelweiss. USDA hardiness zone: 4-7


Leucojum Plant

Growing Snowflake

Snowflake, Loddon Lily. USDA hardiness zone: 4-9


Levisticum Plant

Growing Lovage

Lovage. USDA hardiness zone: 4-8


Lewisia Plant

Growing Bitterroot

Bitterroot, Lewisia. USDA hardiness zone: 4-8


Liatris Plant

Growing Blazing Star

Blazing Star, Gay Feather, Button Snake Root. USDA hardiness zone: 3-10


Libertia Plant

Growing  New Zealand Iris

Libertia, Mikoikoi, Tukauki, Snowy Mermaid, New Zealand Iris. USDA hardiness zone: 8-10


Ligularia Plant

Growing Leopard Plant

Leopard Plant, Golden Groundsel. USDA hardiness zone: 4-8


Lilium Plant

Growing Lily

Lily. USDA hardiness zone: 4-9


Limnanthes Plant

Growing Poached Egg Flower

Poached Egg Flower, Fried eggs. Meadowfoam. USDA hardiness zone: 5-9


Limonium Plant

Growing Sea Lavender

Sea Lavender, Marsh Rosemary, Sea Pink. USDA hardiness zone: 2-10


Linaria Plant

Growing Toadflax

Toadflax, Butter and Eggs. USDA hardiness zone: 2-10


Linnaea Plant

Growing Twinflower

Twinflower. USDA hardiness zone: 1-5


Linum Plant

Growing Flax

Flax, Linseed. USDA hardiness zone: 2-10


Liriope Plant

Growing Lilyturf

Lilyturf. USDA hardiness zone: 5-10


Lithodora Plant

Growing Indian Paint

Indian Paint, Gromwell, Puccoon. USDA hardiness zone: 5-8


Lobelia Plant

Growing Pukeweed

Indian Tobacco, Pukeweed. USDA hardiness zone: 1-10


Lobularia Plant

Growing Sweet Alyssum

Sweet Alyssum, Sweet Alison, Snowdrift. USDA hardiness zone: 5-10


Lonas Plant

Growing Golden Ageratum

Golden Ageratum, Yellow Ageratum, African Daisy. USDA hardiness zone: 2-8


Lunaria Plant

Growing Money Plant

Honesty, Money Plant, Moon plant, Silver Dollars. USDA hardiness zone: 3-9


Lupinus Plant

Growing Lupin

Lupin, Lupine, Bluebonnet, Quaker Bonnet. USDA hardiness zone: 1-9


Lychnis Plant

Growing Campion

Campion, Catchfly, Rose of Heaven. USDA hardiness zone: 2-10


Lycoris Plant

Growing Cluster Amaryllis

Cluster Amaryllis, Hurricane Lily, Spider Lily. USDA hardiness zone: 7-10


Lysichiton Plant

Growing Skunk Cabbage

. USDA hardiness zone: 6-9


Lysimachia Plant

Growing Creeping Charlie

Creeping Charlie, Creeping Jenny, Loosestrife. USDA hardiness zone: 3-9


Lythrum Plant

Growing Loosestrife

Loosestrife, Purple Willow Herb, False grass-poly. USDA hardiness zone: 3-9


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