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How To Save Heirloom Tomato Seeds

When you save heirloom tomato seeds from your garden, you’re not only saving on your pocketbook – you are also giving yourself the ability grow tomato plants that become stronger and better suited to your growing conditions with each passing year!

As summer starts to transition and fall is just a few weeks away, this is the perfect time to begin this exciting venture of saving your seeds. Saving seeds isn’t just about being economical; it’s a straightforward process. 

Plus, it empowers you to handpick seeds from your finest tomatoes of the harvest. This choice can become a significant influence on boosting the health and overall yield of your plants in the years that follow!

How To Save Heirloom Tomato Seeds
When you save heirloom tomato seeds from your garden, you’re also saving yourself some valuable time and money.

By carefully selecting seeds from your most healthy tomatoes, you’re essentially upgrading the quality of your seed collection. The results speak for themselves.  For example, enhanced germination rates, sturdier and more vibrant plants, and the ultimate reward—a more abundant and intensely flavorful harvest is possible.

When it comes to saving tomato seeds, let’s explore which seeds are worth preserving.  This will help you in understanding the techniques for collecting, drying, and storing them, ensuring a fruitful garden next year.

Which Seeds to Keep – How To Save Heirloom Tomato Seeds

When it comes to saving heirloom tomato seeds, not all types can be saved. In order to select successfully, it is important to first understand this distinction is a very important skill to have.

Seeds from open-pollinated tomatoes, often known to as heirloom tomatoes, can be safely saved. On the flip side, seeds from hybrid tomato varieties cannot be conserved. Let’s break down the reasoning behind this:

Heirloom Tomato Seeds: 

These seeds are pure. This means that the seeds you save from an open-pollinated plant will develop into the exact same kind of plant, producing identical fruits as the previous year.

Hybrid Tomato Seeds: 

Hybrids result from crossbreeding two or more tomato plants to create a novel and unique variety. Because of this, replanting seeds from a hybrid tomato doesn’t yield the same hybrid outcome.

tomato varieties
Heirloom tomato seeds are to be saved. They come from an open-pollinated plant will develop into the exact same kind of plant.

More often than not, these seeds will revert back to one of the original tomato plants used for the crossbreeding. Occasionally, they might even manifest as a new mutation.

This unpredictable seed could lead to a plant that doesn’t yield any fruit or produces an entirely different type of tomato. Naturally, this is less than ideal if your goal is to cultivate consistently delicious tomatoes every year.

Detecting whether your seeds are heirloom or hybrid is relatively straightforward. If you have access to the seed packet, it’s likely to contain information about the variety’s hybrid status.

If that’s not an option, you can always turn to online resources. Most seed companies furnish detailed profiles for each variety, including whether they are heirloom or hybrid.

How To Save Heirloom Tomato Seeds

Saving tomato seeds deviates from the standard procedure for preserving seeds from other vegetables. Tomato seeds are in a gelatin-like coating on their outer layer.

When this membrane remains intact with the seed, it hurts the seed’s ability to sprout the following year. As an heirloom tomato naturally decomposes, the seeds within it prepare for growth in the coming year. The gelatinous coating gradually breaks down during this process.

Once this protective layer dissolves, the seed is ready to germinate with ease. This is why discarded tomatoes in compost heaps often yield numerous volunteer plants—seeds that accidentally sprout. 

Yet, when it comes to seed preservation, it’s essential to mimic nature by allowing the seeds to decompose sufficiently.  Again, this process helps the seeds to shed their protective coating.

The Process of Saving Seeds

To begin, saving tomato seeds commences with selecting a robust and ripe tomato from your most thriving plant. Whether you’re preserving seeds from tomatoes, peppers, or any other vegetable, prioritize seeds from the healthiest plant that exhibits the best appearance.

Opting for the cream of the crop.  This assures optimal growth, health, and success. At its core, this principle revolves around selecting the best genetic stock. By picking the finest tomatoes, you’re selecting the most favorable traits in both production and flavor.

How To Save Heirloom Tomato Seeds
Once this jelly-like protective layer dissolves, the seed is ready to germinate with ease.

A Step-by-Step Guide

First, choose a plump, healthy tomato from your best plant. Next, halve the tomato and scoop out the pulp and seeds into a clean mason jar—no need for water or a lid.

Then, place the jar in a warm, sheltered area with little to no traffic. This prevents the smell of decaying tomatoes from being bothersome.

Allow the tomato to decompose for several days. Within roughly five days, the pulp should start growing white or green fuzzy mold which is normal. 

Once the mold blankets most of the pulp, add water to the jar to wash off the mold. Repeat until the seeds are clean.

You can then refill the jar with water. The viable seeds will sink, making it possible to skim off the remaining pulp and undesirable seeds. Next, discard the unnecessary water and pulp.

Drying and Preparing

Then, spread the clean seeds on a paper towel or newspaper to air-dry for several days. Ensure the seeds do not contain any moisture.

Once dry, seal the seeds in a plastic bag or mason jar with a snug lid. Store them in a cool, dry, and dark place. If you have the space, the refrigerator is an excellent storage option for seeds.

Heirloom tomatoes
Spread the clean seeds on a paper towel or newspaper to air-dry for several days. Ensure the seeds do not contain any moisture.

Finally, as spring comes along, you are ready to begin the indoor cultivation of your seeds. This simple process not only saves you money but also equips you to nurture healthier, tastier tomatoes in the future. 

By embracing the natural breakdown of seeds, you’re unlocking the potential for a thriving garden.   Better yet, you have a garden that can yield impressive results season after season. This can result in so many ways of enjoying your harvests; from fresh, cooked or canned tomato recipes – your options are endless.