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Best Soil for Starting Seeds Indoors

March 11, 2025

Start A Garden: STEP 1 - Seedling Mix

Starting a garden is easy with the right information. This first step to success is using seedling mix to plant your seeds. You want to use the best soil for starting seeds indoors for success. Watch now and learn how to fill trays and how to determine the proper moisture content of your mix.

Make sure to use only the best soil for starting peppers!
Learn more about the Best Soil for Peppers »

Want to learn more about growing peppers from seed?
Check out our blog post:

Find Our Top 12 Tips for Growing Peppers from Seed »

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HUGE OVERSTOCK SEED SALE

June 1, 2026
50% OFF SELECT OVERSTOCK SEEDS!NO DISCOUNT CODE NEEDED. While supplies last! Buy Discount Seeds »

HUGE OVERSTOCK SEED SALE

June 1, 2026
50% OFF SELECT OVERSTOCK SEEDS!NO DISCOUNT CODE NEEDED. While supplies last! Buy Discount Seeds »
Simple Squash Blossom Recipe

June 1, 2026
Do you have squash blossoms from your zucchini, squash or pumpkin plants? These beautiful large orange flowers are perfect for stuffing and pan-frying for a delicious summer treat. You can harvest...

Simple Squash Blossom Recipe

June 1, 2026
Do you have squash blossoms from your zucchini, squash or pumpkin plants? These beautiful large orange flowers are perfect for stuffing and pan-frying for a delicious summer treat. You can harvest...
Growing peppers in Containers

June 1, 2026
Growing peppers in Containers - Top 10 Tips: 1. Grow peppers that do well in containers and pots!This is one of the most important tips, as some peppers do much...

Growing peppers in Containers

June 1, 2026
Growing peppers in Containers - Top 10 Tips: 1. Grow peppers that do well in containers and pots!This is one of the most important tips, as some peppers do much...

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Our Favorite Salsa & Chile Recipes

CHILE RECIPES SALSA RECIPES

Fastest Growing Peppers

These are the fastest growing peppers that you can grow from seeds...

Fastest Growing Peppers

50% OFF SEEDS

Check out our 50% off Seed Discount deals below. Signup for our...

50% OFF SEEDS

Best Peppers for Containers

If you want to grow peppers in containers, below are our top...

Best Peppers for Containers

Let customers speak for us

from 1394 reviews

Buck Dharma approved!

So, as a life long BOC fan and an avid gardener who loves the quality of seeds I’ve always received from Sandia Seeds. I just had to have this shirt. It rocks! I ordered a couple more for some fellow BOC fans as well. Great quality and the graphic is outstanding!

Jens Pedersen

12/27/2025

Don't Fear the Reaper T-Shirt

Very Productive and HOT!!

I'm going to grow these every year, they are HOT!! They make great poppers and salsa. Very productive, easy to grow, quick germination and fast growing plants. Thank you for the stellar seeds.

Samuel

10/17/2025

Jalapeño Orange Spice NuMex Seeds - Ultra-Hot and Flavorful

Sugar and Spice and Everything Nice

I planted several cultivars from wholesale seed. These were prolific. See all that RED (and green)?!? Looking forward to harvesting in a few days. Thank You Sandia Seed!

Josh F

Hatch Red Medium - Joe E. Parker Chile Seeds - Popular Heirloom with Great Flavor

Jalapeño M

I pretty much use Sandia seeds exclusively! A few years ago I just happened to order your Jalapeño M. To me it's the perfect Jalapeño! Really nice size! Perfect heat for what we like! Wonderful flavor with a meatyness that's perfect for many different uses! I make my own Sriracha so I wait for them to turn red. They're one of my base peppers for my sauce! I praise them to all my personal friends and to members of groups that I belong to!

Bill Kozma, Solvang, Ca.

10/15/2025

Jalapeño M Pepper Seeds - Popular Heirloom with Flavorful Heat

Prolific pepper

Plants each produced dozens of beautiful peppers. Still going strong in October in Virginia

Mari Woehrle

10/13/2025

Big Jim Legacy Pepper Seeds - Flavor & Heat - A True New Mexico Chile

High producers

Serrano Hidalgo Seeds fromSandia Seed produce even in the HOT drought of central Illinois this year! I love adding a little Mexican kick to my salsa but also tossing these on the grill! They have great flavor and produce all summer long!

Angela McCabe

10/10/2025

Serrano Hidalgo Seeds - Hot Mexican Peppers - Salsa & Pickling

NH, USA in 5 gallon buckets

Quintessence of pepper flavor. Productive plant. Definitely will grow again.

M J Dubois

10/08/2025

Española Improved NuMex Chile Seeds - Robust Flavor and Early Maturity

Dynamite xx Hot peppers, 4 heat lovers only!

I had looked high & low, and searched the web with many word combinations ‘looking’ specifically for my favorite chili, the Dynamite xx Hot… so I could grow my own. The peppers were sold in Colorado at select places during roasting season, but you couldn’t buy seeds for them… anywhere!
Finally, as luck and persistence would have it, I discovered Sandia Seed Company.
Thank you Sandia! I planted them and had a great crop this year. I plan on growing them every year as well as trying some of their other seeds,

Linda O

10/06/2025

Dynamite Green Chile Seeds - Extra Hot Variety at 12,000 Scoville

Prolific Peppers!

There's just something fun about growing a jalapeno that is light enough in color that some people think it's a banana pepper. LOL! I picked these just for color variety, and I'm very pleased that my plants have been loaded with them all season! We donated about 50 lbs of mixed peppers this year from our garden and I still had enough to freeze some and can more jars of recipes than we'll probably be able to use before next season. All my peppers were from Sandia Seed Company. I've never had such great pepper production before using these seeds!!

Cmartcookie

Jalapeño Jaloro Pepper Seeds - Disease Resistant and Medium Heat

Big Jims

Excellent peppers, large and meaty. Easy to grow from your seeds.

S Latta

10/04/2025

Tasty and prolific

This spinach germinated well, and produced way more spinach than I'd initially expected. It grew really well, was slow to bolt in the summer, and has a really nice mild flavor for salads or steamed.

Melissa B

09/29/2025

Spinach - Bloomsdale Spinach Seeds - Easy to Grow, Popular, and Nutritious

Beautiful Reds

Love this Hatch variety chili, next best thing to living in New Mexico! Yep, they grow in Oklahoma too!

Buster Holzer

09/27/2025

Awesome peppers!

This was my first time growing these and I will definitely be growing them from now on. Great germination and very sturdy plants that have withstood some really high winds. Huge long peppers that are excellent green or red, very easy to peel skin.

Dre Snow

09/25/2025

Hatch Green Medium - Big Jim Chile Seeds - Nice Heat & Great Flavor

Wow! BIG JIM PEPPERS

Growing these in Florida, (Recent transplant of NM).
Lovely peppers. Took a couple weeks is all and wow! I have several budding; 2 large enough to nickname. They're still in their infancy, but I can tell they are going to be great! Love the seeds!

BIG MARK

09/24/2025

Excellent!

Prudens purple was huge, productive, and delicious. Very crack resistant. Amazing!

Jamie

Pruden's Purple Tomato Seeds - Old Family Heirloom - Sweet Taste

Country/region

Start A Garden: STEP 1 - Seedling Mix

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