Introduction
What to Plant in March. Here is a list of what we plant in March. March marks the beginning of spring for most regions which provides optimal conditions to grow cool-season crops and hardy flowers and early indoor plants. The garden productivity of gardeners who understand what to plant during March will benefit them with earlier harvests and more robust plants.
This article tells you what to plant in March, based on the climate zone, details some early vegetables and flowers you may like to try your hand at, and provides practical steps for planning for April and beyond.
Why Is This Month Good to Plant a Garden Anyway?
The month of March is crucial because soil temperatures begin to warm and frost risk diminishes with every passing day. Knowing what to plant in March can help you utilize spring’s cooler weather to grow crops before the intense summer heat creeps in.
Early planting also helps:
- Extend the growing season
- Improve crop yields
- Lower pressure from pests later in the summer
- Vegetables to Plant in March
March is a great time to plant many vegetables that prefer cooler temperatures. Baby Romaine / Little Gem. These are cool-season plants that will tolerate minor frost and thrive in mild temperatures.
Vegetables to Sow in March and April

You can plant the following common vegetable plants in March and April:
- Lettuce
- Spinach
- Kale
- Peas
- Radishes
- Carrots
- Beets
These are fast-growing crops, and among the first you can harvest.
How to Grow Onions in March
Onions: You should start onions in March. Falling is when onions begin to form bulbs.
- Plant onion sets or seedlings
- Choose full sun
- Keep soil evenly moist
- Skip the late big N shots
Opt for onions sown in March, and you will be rewarded with bigger, healthier bulbs.
What to Plant in March by Zone
By finding out what to plant in March, organized by region, you avoid a late frost ruining all your hard work.
What to Plant in March Zone 7
Zone 7’s gardeners have the following options to plant:
- Broccoli
- Cabbage
- Onions
- Potatoes
- Hardy herbs
What to Plant in March Zone 8
Warmer regions allow more flexibility. March planting zone 8 should include:
- Bush beans
- Squash (late March)
- Corn (toward month’s end)
Zone 8 gardeners can plant cool-season crops and some warm-season vegetables.
Texas and Oklahoma: What to plant in March
What to Plant in March in Texas: Types of Gardens.
Texans who garden have warmer soil.
What to Plant in March: Texas.
- Tomatoes (in many regions)
- Peppers
- Cucumbers
- Okra
- Beans
What to Plant in March in Oklahoma

What to plant in March in Oklahoma tends to be:
- Lettuce
- Spinach
- Onions
- Potatoes
You can sow warm-season crops indoors early and transplant them into the garden.
What to Plant Flowers in March
Flowers provide colour and attract pollinators even early in the season. Knowing what to plant in March flowers brightens gardens early.
What Flower Seeds to Plant in March
What flower seeds to plant in March are:
- Sweet peas
- Calendula
- Larkspur
- Poppies
- Alyssum
They are hardy in cool weather , and so they bloom early.
Future Planning: What to Sow in April
Looking ahead for inspiration on what to plant in April can help you transition smoothly from one season to the next.
April planting typically includes:
- Tomatoes (outdoors)
- Peppers
- Zinnias
- Basil
- Cucumbers
Preparation in March leads to greater success when planting in April.
Starting Seeds and Indoor Planting in March
In March, start seeds indoors. This is particularly handy for gardeners in colder climates.
Start indoors:
- Tomatoes
- Peppers
- Eggplant
- Herbs
Transplant when there is no further danger of frost and the soil has warmed.
Seasonal Contrast: This Is What to Plant in October
Knowing what to plant in October can help distinguish planting seasons.
October planting focuses on:
- Garlic
- Onions (in warm climates)
- Cool-season greens
- March planting targets early growth, whereas October targets overwintering.
March Planting Mistakes to Avoid
When considering what to plant in March, steer clear of these mistakes:
- Planting warm-season crops too early
- Ignoring soil temperature
- Overwatering cool-season plants
- Skipping frost protection
- Row covers and mulch can help to protect early plantings.
Conclusion
What to plant in March gives gardeners a strong head start for the growing season. Whether you grow vegetables or flowers, or try to be strategic with regional planting approaches, March is one of the most productive months on your gardening calendar. By selecting or planting the right crops, getting to know your climate zone, and preparing now for April, you’ll have better plants, earlier harvests, and a wild thing between now and then.
FAQs: What to Plant in March
What can you plant in March?
Cool season plants like lettuces, spinach, peas and onions.
Planting a garden in March?
Cool-season crops can be planted in March. Warm-season plants should also wait until frost is no longer forecast.
What is the 70/ 30 principle in gardening?
The 70/30 approach is to plant 70% known varieties of plants and 30% experimental ones for harmony.
What is the rule of three in horticulture?
You would choose to plant in 3s to create visual balance and beauty in the garden.

