14 Plants That Start With H

You might be wanting to improve or expand your plant knowledge. There are millions of plants in the world and thousands of plants that can be found in the US. in this article, you will be discovering 14 plants that start with the letter H. There are lots to choose from, like trees, blooms, grass and much more!

Hackberry Tree (Celtis Occidentalis)

The Hackberry Tree is seen as a very tough and sturdy plant. It can be grown in various locations and deal with a wide range of different weather conditions. It can withstand heavy rainfall, strong winds and air pollution. Due to its durability, this plant is ideal for any landscape that has plenty of space for its root system. 

Its bark has a corky texture and the plant’s leaves are serrated in a dull or glossy green color. The leaves also have a tapered end and will turn yellow in the fall months before falling off. This plant also produces dark red, small berry-like fruit known as drupes.

These will change color to a dark purple as they mature during the fall. The fruit that is produced can be seen throughout the fall, and provide birds an important bird source during the colder months. 

Halcyon Hosta (Hosta ‘Halcyon’)

This plant is mainly grown for its leaves, as the flowers this plant produces aren’t that impressive. The Halcyon Hosta plant can come in a variety of leaf colors and sizes. This plant can grow up to 14 inches high, with its spear shaped leaves.

The leaves have green to blue hues that don’t lose their vibrancy during the summer months. It can take several years for this plant to mature and grow to its full size, yet once it has matured it requires little to no care from you. 

Hardneck Garlic (Allium sativum Var. Ophioscorodon)

Garlic is an edible plant, which you will have commonly seen used during cooking. The bulb is what we normally eat. The garlic plant is very closely related to onion. This plant sends up a flower atlas during late spring or early summer. If the stalk isn’t removed then the plant will produce flowers, which isn’t what you want. 

With hardneck garlic, you can eat the stalks which are also known as garlic scapes. By cutting off the garlic scape, you are redirecting the plant’s energy to produce much larger garlic bulbs. Otherwise, the plant’s energy is being wasted by producing a flower and seeds.  

Hardy Hibiscus (Hibiscus Moscheutos)

Native to North America, these flowers have oversized incredible thin petals. These petals are ruffled and come in shades of white, pink, red and magenta. Some varieties of this plant have dark colored centers. You should plant the hardy hibiscus plant during spring once there are no more frosts.

This plant will then grow quite quickly and you’ll have big, beautiful and large blooms by the summer. These flowers attract hummingbirds and butterflies. Each bloom only lasts a couple of days and then it is replaced by a new bloom.

Harebells (Campanula Rotundifolia)

Harebells are a very delicate looking flower, which can withstand poor soil and sandy conditions which other flowers would struggle with. This plant might look delicate but it is a lot tougher than it looks. The harebell plant has round small leaves and stems that will cluster together.

The stems are quite thin, but can hold multiple flower heads. The flower heads have a distinctive downward bell shape, while being blue in color. The leaves don’t last very long away quite early on in the season. 

You can find these plants growing on the beach edge, open meadows or up in the rocky mountains.

Heartleaf Philodendron (Philodendron Scandens)

The heartleaf philodendron plant is native to Central and Southern American and the West Indies. This is a very common and popular houseplant that you can see all year round. It is sometimes referred to as the sweetheart plant, due to the plant’s heart shaped leaves.

Typically the leaves are a very dark green color, but some miniature versions of this plant have small green/white leaves. This plant is associated with romance and given as anniversary gifts to loved ones.  

Heavenly Bamboo (Nandina Domestica)

Despite its name, this plant isn’t bamboo at all but a species of flowering shrub. This plant is native to Eastern Asia and normally grown as an ornamental shrub. It has cane-like stems and fine leaves which makes this plant closely resemble bamboo.

The leaves will change color throughout the year. They turn from pink to green to red as the seasons change. Yet in the spring, delicate small white flowers are produced, and bright red berries are produced in the winter. This is a low maintenance plant that will constantly bring color to your garden throughout the year. 

Hebe Shrubs (Hebe spp.)

Hebe shrubs are a favorite among gardeners, as it is very easy to maintain and care for. They are known for their colorful blooms and leaves. The blooms have pointy almost spike-like petals, which can be seen in white, blue, purple, pink and red.

Alongside this, their leaves also have a range of colors that you may see, from green, purple, gray, maroon and blue-green. There are about 100 different species of this plant, so there are many options to choose from. 

Typically found on the coasts of New Zealand, the Hebe shrub  is popular all over the world. It is a popular choice for containers and landscaping. 

Heirloom Tomato (Solanum Iycopersicum)

Heirloom tomato plants are a type of vegetable plant that hasn’t been crossbred for a minimum of 40 years. These plants are open pollinated, so the seeds from this plant will be identical to their parents. Hence, you can save the seeds and grow the same tomatoes the next year.

Heirloom tomatoes have a much thinner skin than other species of tomato. They also have a juicer flesh and richer flavor compared to most hybrid varieties. These plants will grow quickly and will begin to produce fruit within 60 to 80 days.

Heliconia (Heliconia Spp.)

Also known as the lobster claw due to its appearance. Heliconia are commonly seen outside, as landscaping plants in tropical zones of America. They can be seen mainly in Southern Florida, Hawaii and Costa Rica. However, some select species of the heliconia plant have been grown as houseplants in other areas. 

This plant has very large banana-like leaves, with thick and strong stems. The flower stems are very colorful and sometimes more entertaining than the flowers themselves. The blooms are quite small, but also quite colorful. Heliconia plants are the most attractive during their short flowering stage.

As you’ll see long strands of green, yellow, orange and red emerge from the blooms. You need to have the right conditions for this plant to succeed and are a bit of a challenge compared to other plants. 

Heliotropes (Heliotropium)

Heliotrope plants are very attractive to look at and are known for their pleasant aroma that they give off. Some gardeners have described the scent as vanilla, while others believe they smell like cherry pie. These flowers grow in small clusters that follow the sun.

Their stalks have a very dark purple appearance. There are many varieties of this plant to find, but the purple blooms are the most common. The petals are all purple, with their centers being lighter and almost white.

It is important to note that this plant is highly toxic to animals, such as livestock and cats and dogs. If they ingest this plant, it can cause death. While it can also be toxic if large quantities are ingested by humans. 

Hellebore (Helleborus Spp.)

Hellebore used to be the most popular plant among collectors. However since hybridizing, several varieties have become more available and easier to grow. The foliage form low clumps together. They are normally green and have a palm-like appearance.

The stems of this plant shoot up above the foliage but slightly anchor down due to the flower head. The flower head blooms facing down to the ground. Due to hybridization more bloom colors are becoming available.

Yet the traditional colors are creamy shades of white, purple, pink and green. You’ll see these flowers bloom in the early spring, yet the foliage stays attractive into the summer months.

Horseradish (Armoracia Rusticana)

Horseradish is a type of clump forming plant, this is acknowledged as both a herb and a vegetable. This plant is typically grown for its white-yellow roots.

Horseradish is used to add spice to a lot of dishes. The plant itself has long, shiny dark green leaves. In the summer this plant may produce very small, white four petaled flowers. You will plant the horseradish plant in the spring, and it will grow quite quickly for the roots to be ready by the fall. 

Hosta (Hosta Spp.)

The Hosta plant is also known as the plantain lily plant. This plant has large green and waxy leaves. It can take five years for the plant to reach maturity. You should plant hostas in the spring or the fall. They can make great houseplants, but they are also grown outside as well.

If you do grow hosta in a container, it does have some requirements that you need to meet to keep it alive. You must be careful if you grow hosta indoors, because ingested they can be toxic to your pets.


You now know 14 different types of plants, like shrubs, plants, herbs and vegetables that begin with the letter H. There were many to choose from and now you can impress your friends and family with your new plant knowledge. 

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