Perennials for Zone 8 Gardens | HappySprout (2024)

Have you walked outside in your garden recently and thought it could use some more color but didn’t want to deal with the headache of planting annuals over and over again? Well, here we’ll be going over our favorite flowering perennials for climate zone 8! It won’t matter if you add all or just one of these beautiful plants; your garden will look amazing with any of these zone 8 friendly perennials.

Contents

  • Tall garden phlox
  • Firebird coneflower
  • Creeping thyme
  • Stargazer lily
  • Reticulated Iris
  • Yarrow
Perennials for Zone 8 Gardens | HappySprout (1)

Tall garden phlox

Also known asphlox paniculata,this zone 8 friendly perennial is a long-blooming perennial that displays its stunning flower from mid-summer to fall. This plant grows a simply show-stopping display of bright flowers that appear on a 24 to 36-inch tall stalk. The flowers come in a wide variety of colors, including purple, red, white, lavender, pink, rose, and coral. And while they prefer partial shade, they can also do well in full sun.

If you’re looking to add flowers to attract butterflies and hummingbirds to your garden, then this is an excellent option for you!

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Firebird coneflower

Enchinacea firebird,or firebird coneflower, is an impressive flower that grows to be 34 inches tall and displays a bright orange flower. These blooms attract birds to the garden with their winter seed heads and provide our winged friends with much need food during this time of year.

You’ll also get good winter visuals from this plant with those interesting-looking seed heads. And if you’re looking for something to cut and bring indoors, this is an excellent option.

Sometimes the summers in zone 8 can be hot and dry; luckily, the firebird coneflower is drought tolerant. To ensure you’re giving them the best care possible, plant them in a spot that gets partial sun, has well-draining soil, and be sure to administer minimal watering throughout the growing season.

Creeping thyme

Many ground cover options are invasive and often can take over a garden if not kept in check religiously. You don’t have to worry about that with creeping thyme,Thymus spp.It’s low growing and only reaches about 2 to 6 inches tall; however, this isn’t the most colorful ground cover option. It has subtle purple, white, blue, or lilac blooms and pretty plain foliage. The one plus to this plant is its aroma; fresh thyme growing in your garden will release a pleasant scent every time you walk by. Creeping thyme prefers full sun, well-draining soil, moist roots, and regular feedings.

Stargazer lily

This lily might be called the stargazer,lilium ‘stargazer,’but you’ll be gazing into this lily for hours when you plant it in your zone 8 garden.

This true lily grows to four feet tall and is loved by gardeners for its large bright pink flowers. It prefers partial shade and moist soil; however, they won’t survive in wet soil so make sure the ground is a nice balance between damp and dry. It’s a bulb plant and can be pulled up and replanted each year.

You’ll be so dazzled by this plant’s blooms and lovely scent that you’ll want a whole section of your garden dedicated to its beauty!

Reticulated Iris

Iris reticulata ‘harmony’is considered a “dwarf” plant. You’ll see these unique blooms appear in the early spring, probably before anything else! The flowers are a tri-colored pattern that is primarily dark purple with a splash of white and yellow down the center of each petal. They are a shorter iris but still as eye-catching as their bigger cousins, only reaching about six inches tall. Reticulated Iris needs moist but well-draining soil, full sun to partial shade, and a bulb-specific fertilizer to encourage those beautiful blooms to appear.

Perennials for Zone 8 Gardens | HappySprout (2)

Yarrow

This plant not only has some stunning flower clusters, but it also has feathery leaves that hold up on their own even without the flowers. Achillea millefolium,otherwise known as yarrow, has blooms that are packed together and come in a range of colors, including white, red, yellow, pink, and salmon. These tiny flowers also come with a pleasant fragrance. They prefer full sun to partial shade and dry to damp soil with good drainage. When given these ideal conditions, they can reach heights of about three feet and spread out about two feet wide. You can use this plant to protect your other plants. Plant around the border of your garden to ward off deer which might be snacking on your other plants. Just be aware that they can spread quickly and are considered invasive in some areas and are very drought resistant.

The summers can get very hot in zone 8, so knowing what type of perennials will work best in your climate can be challenging. But now, you have a few bright and fun plants to add to your garden and your knowledge repertoire.

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Perennials for Zone 8 Gardens | HappySprout (2024)

FAQs

How do I arrange perennials in my garden? ›

In a one-sided planting bed, stair-step plant heights—tall plants in back, short ones in front. If your perennial garden design is a free-standing bed that will be viewed from all sides, put the tallest plants in the middle of the design and stair-step heights to bed edges.

How long does it take for a perennial garden to fill in? ›

Perennials grow slowly in the first year. In the second year, you'll notice a rapid increase in growth, and by the third year, they usually reach their full size.

What is the easiest perennial to grow from seed? ›

Perennials That are Easy to Grow from Seed
  • Columbine (Aquilegia spp.)
  • Ornamental Onion, Chives (Allium spp.)
  • Pinks (Dianthus spp.)
  • Catmint (Nepeta spp.)
  • Purple Coneflower (Echinacea spp.)
  • Black-eyed Susan (Rudbeckia spp.)
  • Oriental Poppy (Papaver orientale)
  • Anise Hyssop (Agastache spp.)

What are the rules for perennials? ›

Most perennials grow best in soil that is well drained with good fertility and a pH of 6.0 to 7.0. Adding organic matter to soil improves the fertility, texture, and water-holding capacity. Apply a two to three inch layer of mulch to conserve water, reduce the need to weed, and keep soil temperature cool.

How far apart should you plant perennials? ›

The preferred spacing is usually a range, such as 18-24 inches. Planting closer will give you a fuller garden more quickly, but you will probably need to divide the perennials sooner.

Which perennials should not be divided? ›

Asclepias, Aquilegia, Baptisia, Paeonia, Platycodon and woody stemmed perennials such as Perovskia should not be divided or moved once planted. Before bringing out the shovel, read our guide below for tips on when and how to divide up your garden.

What is the 3 year perennial rule? ›

While not all perennials need time to look and do their best, this is a common enough phenomenon that there is an actual adage for it "The first year they sleep, the second year they creep and the third year they leap!" But what does that really mean?

What month is best to plant perennials? ›

Technically, you can plant perennials any time your soil is workable. Practically, the best times to plant perennials are spring or fall. These seasons allow plants to get settled and grow new roots before summer's hot, dry weather arrives. Planting in summer is okay, but you'll need to water frequently.

How do you prepare soil for perennials? ›

When possible, add sand and organic matter such as bark, peat, or compost to soils well ahead of planting time. A layer of organic matter 3 or 4 inches deep, worked into the soil a shovel's depth, is usually adequate.

Can you just scatter flower seeds? ›

If the ground is already prepared — meaning it doesn't have weeds and is already lightly cultivated — Becker said you can just scatter seeds on the damp soil (more about that technique below).

What are the disadvantages of perennials? ›

While perennials offer many benefits to gardeners, there are also some disadvantages to keep in mind. One of the main drawbacks is their higher initial cost compared to annuals. Perennials are also slower to establish, meaning they may take a few years to reach their full potential.

What are the cons of planting perennials? ›

Perennial Flowers & Environmental Problems
  • Lack of Sunlight. When perennials don't get enough sun, the flowers typically lose color and the leaves begin to turn yellow and fall off. ...
  • Too Much Sunshine. ...
  • Not Enough Water. ...
  • Overly Wet Soil. ...
  • Nutrient Problems. ...
  • Herbicide Damage. ...
  • Freeze Damage. ...
  • Transplant Shock.

Can perennials grow through mulch? ›

At this time of year, there is very little disruption to existing perennials or bulbs as they are still underground, and they will grow through the mulch layer when they emerge.

How should I arrange plants in my garden? ›

There are two basic rules when arranging plants in the beds: 1) space the individual plants so that they touch each other when they reach their mature size, and 2) overlap the masses of plants and connect them so that they flow without space between them. Avoid gaps or large open areas between masses.

How do you arrange plants in a flower garden? ›

Layer Plants According to Height

Place the shorter plants in the front, medium-sized plants in the middle, and the taller ones in the back. Layering plants this way means that every plant will be visible. Of course, these rules aren't set in stone; you can arrange your garden how you wish!

What are three signs that perennials need dividing? ›

After a few years in the garden, these perennials may start to produce smaller blooms, develop a 'bald spot' at the center of their crown, or require staking to prevent their stems from falling over. All of these are signs that it is time to divide.

References

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