If you’re new to growing your own seeds, it’s best to begin with easy plants to grow indoors from seed. To help you be successful, I put together a list of some of the easiest seeds to start indoors; both flowers and vegetables.
Growing seeds can be really difficult to get the hang of, especially if you’ve never tried it before. But when you begin by growing the easiest seeds to start indoors, the you’re more likely to be successful.
Though there are many, many types of seeds that you can grow inside, I wanted to keep this list short so it’s not overwhelming for beginners.
I also included general planting times for each type of seed. But be sure to check the packets for the specific seed starting dates.
17 Easiest Seeds To Start Indoors
Below, I broke my list down into two sections. One is for flowers, and the other one is for vegetables. Hopefully that will make it simple for you to find what you’re looking for.
So here is my list of the easiest plants to grow from seed indoors for beginners…
Easiest Flower Seeds To Start Indoors
First I’ll begin with a few of my favorite flower seeds that I always plant inside the house. I use a lot of them, both in my garden and in containers.
So it’s nice to be able to easily grow the seeds for pennies, instead of having to buy the plants every spring.
1. Marigold – One of my all-time favorite flowers, marigolds are super easy seeds to grow indoors. They attract pollinators, and can help to deter pests from the garden too.
2. Castor bean – Castor bean seeds can be a bit fussy, so it’s much easier to start them indoors. Once they sprout, the seedlings grow really fast. Red castor bean is my favorite type to grow, and they are gorgeous.
Plant the seeds indoors about a month before you plan to move them outdoors. Learn how to grow castor bean from seeds here.
3. Coleus – Coleus is definitely one of the best plants to grow indoors from seed because the seeds are tiny and could be washed away in the garden.
Plus they take long time to mature from seeds. Plant the seeds inside 8-10 weeks before they can be transplanted outside. I like to grow this rainbow coleus blend.
4. Zinnia – Another must-grow plant in my summer gardens are zinnias. They won’t tolerate the cold, so it’s best to start them indoors in early spring rather than planting the seeds outside.
Easiest Vegetable Plants To Grow From Seed Indoors
Many types of vegetable seeds need to be started indoors in order to grow their best, and have plenty of time to mature to produce yummy food for us.
So I’ll continue my list by adding my top picks for the easiest vegetables to start early inside the house…
5. Cauliflower – Since it can be a slow growing plant (depending on the variety), it’s best to sow cauliflower seeds indoors to give them jump on the growing season.
6. Brussels sprouts – Brussels sprouts take a long time to grow from seeds, so start them inside 4-6 weeks before transplanting to the garden.
The seedlings can be planted outside in early spring, but protect them from freezing. Hestia Brussles sprouts is a great type to try growing.
7. Radicchio – Radicchio grows best in cool weather, so be sure to get this one planted early.
Sow the seeds inside 4-6 weeks before your average last spring frost date to give them a head start. Try this Early Treviso variety in your garden this year!
8. Tomatoes – Tomatoes are one of the easiest seeds to start indoors (and probably the most popular too!). Sow them indoors about 6-8 weeks before average last frost.
9. Watermelon – Since they have a really long growing season, it’s best to sow watermelon seeds indoors 4-6 weeks before your average last frost date.
Take care not to disturb the roots when transplanting the seedlings into the garden, or it could stunt their growth. If you have a long enough growing season, try Jubilee. Otherwise, Sugar Baby has a shorter time to harvest.
10. Okra – Another fun plant to grow if you’ve never tried it is okra. Not only do they produce yummy food, the flowers are beautiful too! Plant the seeds 4-6 weeks before it’s safe to move them to the garden.
It will not tolerate the cold, and they need warm soil to germinate. So it’s much better to start them inside rather than in the garden. Start them indoors 6-8 weeks before moving outside. Learn how to grow basil from seed here.
12. Eggplant – Eggplant are easy-to-grow seeds, and the plants are great for growing in containers or in the garden.
Plant them inside the house 8-12 weeks before your average planting date in the spring. Little Prince is a cute variety for growing in containers, and Black Beauty is a more traditional type of eggplant.
13. Tomatillo – If you’re looking for a vigorous and highly productive vegetable for your garden, then try tomatillos. They are fun and easy to grow from seeds, and delicious in salsa and sauces.
14. Broccoli – If you’ve never grown broccoli before, you should definitely give it a try. These are some of my favorite broccoli seeds to plant every year.
Plant them 4-6 weeks before your average last frost. Learn how to grow broccoli from seed here.
15. Kale – Kale is another cool season vegetable that you can harvest summer through late fall. They are a little slow to get going, so it’s best to give them a head start inside.
16. Cabbage – Another slow-growing vegetable, cabbage does best when planted indoors 6-8 weeks before your average last spring frost date.
Seedlings should be transplanted into the garden in early spring, but be sure to protect them from freezing. Cabbage Red Acre adds amazing color to the garden.
17. Peppers – Peppers are super easy plants to grow indoors from seed. Some of my favorites are sweet bell peppers, cayenne hot peppers and jalapenos. Start them about 8-12 weeks before last frost date in early spring.
If the soil is too cold it could stunt their growth, so wait until it’s warm before transplanting the seedlings into the garden. Learn how to grow peppers from seeds step-by-step.
It’s fun and rewarding to grow your own seeds! And, when you pick from this list of the easiest seeds to start indoors, you’re sure to have great success! Then, once you become a pro at growing these seeds, you can move on to trying other seeds.
If you’re looking for detailed, step-by-step help for growing any plant you want from seed, then my online Seed Starting Course is exactly what you need! It’s a fun and comprehensive self-paced online course that will teach you everything you need to know about growing your own seeds. Enroll and get started today!
Otherwise, if you just want to get started growing seeds indoors, then you need my Starting Seeds Indoors eBook. It’s a quick-start guide for beginners that will get you going fast.
More Posts About Growing Seeds
- Tips For Growing Seeds Indoors For Beginners
- 23 Easiest Vegetables To Grow from Seed
- 13 Easy Annual Flowers To Grow From Seed
- 17 Easiest Seeds To Direct Sow
What would you add to this list of the easiest seeds to start indoors? Tell us in the comments below!