Baby strawberries inside of a greenhouse on the right and Close up of a hand holding a bean pod still on the vine on the left and a graphic in the top center that reads "19 easy plants to grow in a greenhouse"

19 Easy To Grow Greenhouse Plants For Beginners

Ready to trade gardening frustration for peaceful success? If you’ve ever struggled with unpredictable weather or plants that just won’t thrive, a greenhouse can change everything.

This guide is designed for you, filled with a list of easy-to-grow greenhouse plants that will help you create a beautiful, bountiful sanctuary and finally see your gardening dreams come to life.

What this article covers:

Easy vegetables to grow

Growing your own food is one of life’s greatest pleasures, and a greenhouse gives you the perfect environment to do it. These classic garden staples thrive in the consistent warmth and protection a greenhouse provides, giving you a wonderful harvest.

Thriving tomato plants inside of a polycarbonate greenhouse

(A quick note: While many of our favorites here, like tomatoes, peppers, and cucumbers, are botanically fruits, most gardeners grow and use them as vegetables. We’ve listed them in the section where you’d most expect to find them!)

Tomatoes

These are a greenhouse favorite for a reason. They absolutely love the consistent warmth and sun, which helps them grow stronger and produce a more bountiful, sweeter fruit than they might outdoors.

Growing tomatoes in a greenhouse helps you avoid worrying about an early frost or a sudden cold snap.

You can even grow them in hanging baskets to save floor space!

Peppers

Both bell and chili peppers thrive in the heat, and a greenhouse provides the ideal conditions for them.

The controlled environment helps them grow faster and produce more peppers, giving you a steady supply all season long.

You’ll love having fresh peppers ready for all your favorite dishes. You can find more helpful advice in our guide to growing peppers in a greenhouse.

Cucumbers

Cucumbers are perfect for a greenhouse. They need a warm, humid environment to truly flourish, and a greenhouse provides just the home they’re looking for.

A little personal note: while many people have great success with cucumbers, I’ve always found them a little trickier myself, only getting a few per plant. But that’s just me! A great tip is to train them to grow vertically up a trellis to save valuable floor space.

Lettuce and Leafy Greens

Enjoying a fresh salad is a treat, and in a greenhouse, you can grow crisp salad greens almost all year round.

Thriving lettuce plants inside of a greenhouse

They are fast-growing plants and don’t need a lot of space, making them a perfect, low-maintenance option that gives you a delicious harvest.

Carrots

Growing carrots in a greenhouse, especially in deep containers or raised beds, is a real treat. You can control the soil quality perfectly, ensuring they grow straight and sweet without battling rocks or compacted clay.

They enjoy the steady warmth, and you can harvest tender, delicious carrots much earlier than you could outdoors.

Zucchini

Zucchini are incredibly prolific growers, and a greenhouse will help them produce an even bigger harvest.

They love the consistent warmth and can grow very quickly.

Just one plant can provide you with plenty of zucchini for all your favorite recipes!

Beans and Peas

These wonderful vining plants are perfect for a greenhouse.

Close up of a hand holding a bean pod still on the vine

They are easy to grow and will produce a continuous harvest for you to enjoy. Just provide them with a trellis to climb, and they’ll happily fill your space.

Here’s a wonderful tip if you’re wondering what plants grow well together: beans and peas are “nitrogen-fixers.” This means they naturally enrich the soil, making them a perfect companion for nitrogen-hungry plants like zucchini or leafy greens.

Radishes

If you want a quick and easy harvest, radishes are the plant for you.

They grow incredibly fast and don’t take up much space. They’re also a fantastic project for easy seeds to grow with kids! You can sow a few seeds every week for a continuous supply of this delicious, peppery vegetable.

VegetableIdeal TemperatureLight NeedsWatering
Tomatoes65–85°FFull sunKeep evenly moist
Peppers70–85°FFull sunModerate; avoid overwatering
CucumbersWarm + HumidFull sunKeep soil consistently moist
Lettuce & Leafy Greens55–70°FBright indirect lightLight, frequent watering
CarrotsCool–ModerateBright sunLight, even moisture
ZucchiniWarmFull sunSteady moisture
BeansWarmFull sunModerate watering
PeasCool–ModerateBright sunModerate watering
RadishesCool–ModerateBright lightLight, frequent watering

Easy herbs to grow

Growing your own herbs is incredibly rewarding, and a greenhouse makes it even easier.

You’ll have fresh, fragrant herbs right at your fingertips whenever you need them, perfect for cooking, tea, or just for their wonderful scent.

Basil

Basil is a warm-loving herb that can be a bit sensitive outdoors.

Growing basil inside of a greenhouse

In a greenhouse, it’s protected from the cold and wind. You can grow beautiful, healthy basil plants that are free from pests and ready to be snipped for a summer meal.

Mint

Mint is wonderfully hardy and grows quickly. You’ll love its refreshing scent and flavor. Just be sure to keep it in its own pot or container so it doesn’t spread and take over your other plants.

Rosemary

A resilient and fragrant herb that loves the sun. It’s a great, low-maintenance choice that adds beauty and scent to your greenhouse. Rosemary is a plant that truly flourishes in the shelter of a greenhouse.

Parsley

This is a classic herb that is so easy to grow. A parsley plant will produce a continuous supply of fresh, flavorful leaves for your cooking. You can keep it growing in a pot on a sunny ledge for easy access.

Cilantro

Many people find cilantro tricky to grow outdoors because it bolts (goes to seed) in the heat.

A greenhouse’s controlled environment can help you manage the temperature and keep it from bolting, giving you a longer harvest.

HerbIdeal TemperatureLight NeedsWatering
Basil70–85°FFull sunKeep evenly moist
MintAny temperaturePartial–Full sunModerate
RosemaryWarm + DryFull sunAllow soil to dry between watering
Parsley60–75°FBright lightKeep evenly moist
Cilantro50–70°FBright lightModerate watering

Easy flowers to grow

A greenhouse is a perfect place to enjoy continuous blooms. These flowers are known for being easy to care for and forgiving, offering a welcome splash of color and joy to your sanctuary.

Geraniums

These are a classic for a reason: they are incredibly forgiving and provide beautiful, continuous blooms. Geraniums thrive in pots, bringing a cheerful burst of color to your greenhouse space even if you forget to water them now and then.

Marigolds

Marigolds are a fantastic companion plant, but not always for the reason you think. Their real superpower is acting as a “trap crop.”

Pests like spider mites or thrips are often drawn to them instead of your valuable vegetables. Plant them in small pots near your tomatoes or cucumbers as a beautiful, sacrificial bodyguard.

Petunias

Petunias growing in a hanging basket inside of an alton greenhouse

For a stunning cascade of color, petunias are a perfect choice. They are ideal for hanging baskets, where they can spill over the edges. The greenhouse protects their delicate blooms from wind and rain, helping them last all season long.

Zinnias

Zinnias are one of the most joyful flowers you can grow. They thrive in the greenhouse warmth, giving you a jumpstart on the season.

They are famous “cut-and-come-again” flowers—the more you cut for bouquets, the more they bloom. Plus, their bright colors are a magnet for pollinators.

Calendula

Also known as pot marigold, Calendula is a cheerful, easy-to-grow flower with a wonderful secret: its petals are edible! You can sprinkle the bright orange and yellow petals on salads for a peppery, colorful boost.

FlowerIdeal TemperatureLight NeedsWatering
GeraniumsModerate warmthFull sunAllow slight dry cycles
MarigoldsWarmFull sunModerate
PetuniasWarmFull sunSteady moisture
ZinniasWarmFull sunModerate
CalendulaCool–ModerateBright lightLight, steady moisture

Easy fruit to grow

Nothing beats the taste of homegrown fruit, and a greenhouse makes it simple to get a sweet, juicy harvest.

Strawberries

Strawberries are a perfect fruit for a greenhouse. They thrive in pots, hanging baskets, or beds, protected from hungry birds and slugs.

Baby strawberries inside of a greenhouse

The consistent warmth helps them produce an abundance of sweet, delicious berries, often extending your harvest season significantly.

Fast-Growing Plants: Easy Microgreens

If you want the ultimate fast-growing, rewarding crop, look no further than microgreens. They are packed with flavor and nutrition and are incredibly simple to grow on a windowsill or shelf in your greenhouse.

You can grow microgreens (like radish, broccoli, or pea shoots) in a shallow tray in just 7-14 days.

They don’t need much space or deep soil, making them a perfect, high-reward plant for beginners. It’s a fun and speedy way to add a fresh, healthy boost to your meals.

Potted plants lined up against the wall of a greenhouse and on a shelf on the wall

Your First Steps to Easy Greenhouse Gardening

The magic of a greenhouse is that it creates a stable, protected home for your plants. This controlled environment is what makes the plants on this list so easy to grow.

To guarantee your success, here are a few simple growing tips that are perfect for these beginner-friendly plants.

  • Start with the Right Setup: Most of these easy things to grow are perfect for containers, which is a core part of easy gardening. This lets you control your soil and is key to understanding what plants need to grow. Give herbs like mint their own pot, and use deep, high-quality soil for your carrots and radishes.
  • Manage Heat and Airflow: Your tomatoes and peppers will love the warmth, but a greenhouse can get too hot. On sunny days, you must open your vents. This fresh air is vital for preventing disease and stops cool-weather plants like lettuce and cilantro from “bolting” (going to seed).
  • Work Smarter with Companions: Use what plants grow well together to your advantage. As we mentioned, beans and peas will naturally feed the soil for hungry neighbors like zucchini. Planting marigolds in pots can help trap pests, drawing them away from your other plants.
  • Plan for Quick Wins: A huge part of beginning gardening tips is seeing results. To manage what to plant and when, try “succession planting.” Instead of planting all at once, sow a new, small batch of fast-growing plants like radishes, lettuce, and microgreens every two weeks. This gives you a continuous, rewarding harvest.

This is just the beginning of your journey. You’re starting with the most forgiving and rewarding plants, which is the best way to build your confidence.

For a complete guide on managing your new space, our guide to greenhouse gardening for beginners is the perfect next step.

We hope this guide helps you create a space where you can connect with nature.

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As an active gardener and greenhouse grower, Natalie loves sharing what she learns in a way that feels clear, practical, and beginner-friendly. Her work helps turn greenhouse know-how into honest guidance people can actually use.

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