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Showing posts with the label potting up tubers

Starting Dahlia Tubers Indoors - 1 Gallon Pot Inventory - March 2026

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Dahlia season is coming fast.  Or, at least it is feeling like it is coming fast to this gardener.  The past two seasons, I've started my tubers indoors, well ahead of the last frost date (around Mid-May here).  In 2024, I started them in early May.  There were only six tubers  to start.  How quaint.  Looks like I ended up with twelve total .  I planted them outdoors in June 2024 .   Last year, in 2025, I also planted them up starting indoors.  In early May .  By mid-May they were showing signs of growth .  I began to harden-the-off towards the end of May and (like 2024), planted them outside in the beginning of June .  Last year, I also pinched them all back to try to get bush-ier growth.   My plan for 2026 is to follow a similar trajectory, but I'm thinking I can start them even earlier.  Like mid-April.  The last frost date varies around here , but generally is between the middle and end of May....

Potting Up Dahlia Tubers - Both Stored and Newly Purchased - May 2025

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Late last year, I dug-up and attempted to store a number of dahlia tubers that had been in our beds all year-long.  This was the first time I had grown dahlias (in the ground) and also the first time that I attempted to "save" the tubers from one-season-to-the-next.   In this post from last December, I showed how I ended up using the "Saran Wrap Method" to attempt to preserve the tubers over Winter .  I dug up clumps of tubers, let them dry out just a little bit, left most of the soil on them then wrapped them and left them in the garage where the temps *usually* stay above freezing all Winter.   With Dahlia planting season fast-approaching (I have to wait until last Frost date to plant them - which is right around mid-May), I grabbed the box of tubers and went to check to see how they did?  Were they rotten?  Dried out and dead?   Turns out...neither.   They not only survived the Winter.  But....most of them were ALREADY ...