Are you growing nasturtium in Tennessee, but don’t know when the best time to harvest them is?

Harvesting nasturtium is not as easy as it seems.

Here’s why:

• Nasturtium have a very short window when they can be harvested and still taste great.

So if you harvest them too early they may not be ready and taste bad. And if you harvest them too late they may become infected with mold, fungus, insects, etc., and become inedible.

Today, I’m going to teach you the ideal time to harvest nasturtium in Tennessee:

• To Learn More About HOW to Grow Nasturtium, Check Out This GUIDE!

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When Do I Harvest Nasturtium in Tennessee?

As you may have already guessed, there are two main factors that determine when you should harvest your nasturtium: the physical features of the nasturtium & weather (time).

Harvest Nasturtium if They Look Like This!!!

The physical features of nasturtium are what most gardeners commonly rely on to determine if they are ready to be picked off the plant or not.

In general, you should harvest nasturtium if they have the following physical features:

• The entire nasturtium is a solid red color. If the nasturtium is a lighter shade of red, it is not ready to be harvested
• The nasturtium is slightly soft. Too hard means it is not ready. Too soft means it is overripe (but still edible)
• Easily able to be deattached from the the plant. This means it has absorbed all the nutrients it needs and is ready.

Harvest Your Nasturtium During THIS Time of Year!!!

In general, you should harvest nasturtium:

• 65 to 85 days after starting nasturtium from seed
• 40 to 50 days after planting nasturtium in your garden
• 20 to 30 days after nasturtium first appear

And no matter what, you should ALWAYS harvest your nasturtium before the first frost of the year. Frost will immediately kill your nasturtium plant and make your nasturtium inedible.

For your reference, I have created this table for average frost dates for most major cities in Tennessee. If your city is not listed below you can find its Last & First Frost Dates HERE.

Tennessee Last & First Frost Dates

It should be noted that you should not overly rely on the first frost of the year. The average first frost of the year is only correct 30% of the time.

Instead, pay close attention to your local weather.

When you know a frost is coming you need to take action.

• If nasturtium are in pots, bring them inside
• If nasturtium are in the ground, cover them in burlap and hope they survive
• Pick all nasturtium. If they are not ready, place them in a brown paper bag and store them for approximately 1 to 2 weeks to see if they become edible.

If you want to learn WHEN to harvest ANY Vegetable in Tennessee, head over to HERE and just type in the vegetable you want to grow.