Everything you need to know about growing plants in Zone 8 | HappySprout (2024)

If you live in zone 8, you’re a lucky gardener: This region, which includes parts of the Pacific Northwest and South, typically offers agreeable planting conditions for many fruits, flowers, and vegetables with its mild winters and long growing season. No matter if you’re invested in building a beautiful landscape or yielding delicious crops, you’ll be able to grow a wide range of plants in zone 8. To help you nourish the zone 8 garden of your dreams, we’ve compiled a primer detailing where you’ll find climate zone 8 and what plants thrive in it.

Contents

  • Where is climate zone 8?
  • Zone 8 flowers and foliage
  • Zone 8 fruits and vegetables
  • Starting seeds in zone 8
Everything you need to know about growing plants in Zone 8 | HappySprout (1)

Where is climate zone 8?

First, let’s consider what a climate zone actually is. Climate zones are based on theUSDA Plant Hardiness Zone Map, which divides the United States into 13 different regions based on average minimum temperature ranges. This division helps gardeners understand what kind of plants are perennial, or last for more than a year, in their region. Temperature isn’t the only factor to consider when you bring a plant into your space, but it is an important one—winter temperatures certainly test the limits of what a plant can handle.

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In zone 8, the annual minimum temperature averages between 10° and 20°F. Mostly comprised of the southern part of the United States, climate zone 8 encompasses 20 states, so it’s difficult to comprehensively sum up the conditions of every area lumped into this zone. In general, however, zone 8 tends to have moderately hot summers, mild winters, and a long growing season, all of which make it ideal for growing trees and edible crops.

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Here are all the states that include parts of climate zone 8:

  • West: Washington, Oregon, California, Nevada, Utah, Arizona
  • South: New Mexico, Texas, Oklahoma, Louisiana, Arkansas, Mississippi, Alabama, Georgia, Tennessee
  • Southeast: Florida, North Carolina, South Carolina, Virginia, Maryland, Washington, D.C.
Everything you need to know about growing plants in Zone 8 | HappySprout (2)

Zone 8 flowers and foliage

When purchasing flowers and foliage for your zone 8 garden, consider relatively heat-tolerant varieties. (And even then, make sure to provide shade and water for your flowers on the hottest days of the year!) Flaunting beautiful and fragrant flowers, lavender especially does well in zone 8 because it can survive and thrive in sunny and dry conditions. Coneflowers, which come in pretty oranges, purples, and more, can also flourish in this warm region, even when planted in poor soil. As a bonus, these vibrant flowers also attract pollinators such as birds. Other flowers such as dahlias, daylilies, and sunflowers can do quite well in zone 8. If you’d like to spruce up your landscape with some ornamental grass alongside your blooms, golden Hakone grass and large pampas grass can beautifully complement the rest of your garden.

Everything you need to know about growing plants in Zone 8 | HappySprout (3)

Zone 8 fruits and vegetables

Zone 8’s conditions make it hospitable for many fruits, so you can really have a delicious harvest at the height of the growing season. The mild winters typically provide enough of a cooling period for the trees to flower, while the long, warm summers offer full sun for fruit production. Common fruit trees that do well in zone 8 include apricot, apple, pear, jujube, and citrus trees. Just keep in mind that many varieties require at least two trees for cross-pollination.

Most vegetables will also do quite well in zone 8—try your hand at broccoli, cabbage, beets, kale, spinach, peas, and more! For garnish, you’ll also have luck with Mediterranean herbs such as rosemary, sage, marjoram, parsley, and oregano. During the summer, provide your vegetable beds with shade and make sure to mulch the top of your soil to help retain moisture.

Starting seeds in zone 8

For zone 8, the last frost date usually falls towards the end of March, and the first frost date usually falls towards the end of October. The rule of thumb is to start seeds indoors about six weeks before the last frost (as many seed packets will suggest), but you can definitely have leeway in zone 8. Between early spring and late summer, gardeners in zone 8 can squeeze in around three planting cycles. While early spring and later summer are ideal times to start seeds, you can get away with growing plants all year long. Even in the winter, you may be able to grow more veggies if you offer your plants enough warmth with supplies like mulch, frost blankets, and row covers.

The possibilities for gardening are vast in climate zone 8 thanks to its long growing season and mild winters. While you should also weigh your region’s rainfall patterns and soil conditions, the temperature should be a reliable starting guideline for considering what plants to grow in your garden. With some forethought, you’ll be able to curate a zone 8 garden full of beautiful flowers and foliage as well as delicious fruits and veggies!

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Everything you need to know about growing plants in Zone 8 | HappySprout (2024)

FAQs

What plants grow best in hardiness zone 8? ›

Perennials: Lavender (Lavandula spp.), Yarrow (Achillea millefolium), and Phlox (Phlox spp.). Annuals: Marigold (Tagetes spp.), Vinca (Catharanthus roseus), and Lantana (Lantana camara).

What is the difference between planting zone 8a and 8b? ›

Zone 8's minimum average temperatures, like the other USDA zones, are ten degrees warmer than those of Zone 7. It's also divided into two subzones: 8a and 8b. The minimum average temperature of Zone 8a is 10-15° Fahrenheit, and the minimum average temperature of Zone 8b is 15-20° Fahrenheit.

When to start seeds in zone 8b? ›

March is the month when Zone 8 has its average last frost. After the last frost date, it is generally considered safe to plant tender seedlings outdoors. Last frost dates are estimates, so while you can anticipate the last frost, your best bet is to rely on the weather forecast or local recommendations!

When to plant carrots in zone 8? ›

In Zone 8 and warmer, plant carrots in fall or winter. Rake the soil free of lumps and stones. Broadcast the tiny seeds, or for easier weeding, plant in rows.

What does hardiness zone 8 mean? ›

USDA Hardiness Zone 8 is a warm zone with a long growing season, comprising hot summers and mild winters with the coldest annual temperatures between ten and twenty degrees Fahrenheit.

Is zone 6 colder than zone 8? ›

A plant that is hardy in zone 8 – 10 probably will not survive a zone 6 winter since there is a 20 degree average low difference, but you may find success growing a zone 8 – 10 plant in zone 7, or a zone 7 plant in zone 6.

When to plant potatoes in zone 8b? ›

Zone 8 potato growing usually commences in early spring, but you can also plant in midsummer for a fall crop. Potatoes will produce more tubers in nice, loose sand or silt. If your soil is heavy or has deep clay components, lighten it with compost and some organic grit.

Where is zone 9 in the USA? ›

However, especially cold-hardy plants may not survive the summer heat of this region. The Zone 9 map includes the following states: Florida, Georgia, South Carolina, Texas, Alabama, Louisiana, Mississippi, Utah, New Mexico, Arizona, Nevada, California, Oregon, Washington, and Hawaii.

What do zones mean for plants? ›

The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones and 5-degree F half zones.

When to plant tomatoes in zone 8b? ›

Tomatoes & Hot Weather Growing Zones

Fortunately, the end of summer and beginning of fall provide opportunity to these higher temperature growing zones. Zone 8b can enjoy fall tomatoes by planting transplants in late August/early September.

Is it better to plant seeds in the morning or at night? ›

Sowing means planting a seed or putting the seed in the soil. Sow seeds early in the morning so the water has enough time to permeate the soil and get warm throughout the day. You can do it in the evening but make sure the seed flats stay warm overnight.

Can you winter sow in zone 8b? ›

In Gardening Zones 1-7, winter sowing works great from January-April. If you live in warmer climates, winter sowing works great in Zones 8+ from September to February.

When to plant cabbage in zone 8? ›

Cabbage seeds are best started indoors 8 to 10 weeks before the last frost, at a temperature of 70 to 75°F. If you want a fall crop, sow outdoors in midsummer. In Zone 8 and warmer, if you want a winter crop of cabbage, sow outside in early fall.

When to plant zucchini? ›

We recommend planting zucchini and summer squash from late May to early July, depending on the season's temperatures and rainfall. It's a warm season crop, so it needs warm air, warm soil, and no chance of frost.

When to plant cabbage? ›

Cabbage grows best when temperatures do not exceed 80°F and is not seriously damaged by temperatures down to 25°F. Transplants should be planted 2-3 weeks before the last frost free date for the growing area. Seeded cabbage may be planted at the same time.

What herbs grow year-round in Zone 8? ›

Best Herbs for Zone 8

Rosemary – Rosemary also likes well-draining soil and plenty of sun, as long as it gets enough water. It's hardy year-round in zone 8. Oregano – A very popular culinary herb, oregano is tough and prefers dry, poor soil and full sun. Sage – Sage likes rich soil that drains well.

What are the characteristics of Zone 8? ›

Zone 8: 10°F to 20°F

In this zone, native plants are loving the warmth. Also, plants have a longer growing season in Zone 8. You can find this zone in part of the West Coast and most of the South, such as Texas, Louisiana, Mississippi, Alabama, Georgia, and the Carolinas, and along the coast of Virginia.

Is Austin zone 8a or 8b? ›

Central Texas/Austin falls under USDA hardiness zone 8b, which has a minimum average temperature range of 15 to 20 degrees Fahrenheit.

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