Start with a Seed (part 6) Transplanting and Hardening Off Seedlings

Welcome to Start with a Seed part 6. In part 5, I showed you some of the positive and negative results I’d had with my seedling growing project and a tip for keeping cats away from an indoor green house.

Negatives aside, I’m happy to say I’ve managed to keep some of these seedling babes alive, transplanted into larger containers, hardened off outdoors, and planted into the ground.

Tips for transplanting seedlings and hardening seedlings off outdoors |

Transplanting seedlings into larger containers

For transplanting into larger containers, I used 2 methods.


One was larger sized peat containers filled with seed starter mix.

diy-large-seedling-containersThe other was plastic drinking cups with holes made in the bottom using a heated nail. Ken did this for me. He used a lighter to heat up the tip of the nail and then pokes several holes into the bottom of each cup.

How to make your own seedling pots for hardening off outdoors |

How to make larger seedling containers | diy seedling planters |

Both of these larger seedling pots worked well; however, I found that the peat cups were harder to keep from drying out. The benefit of the peat cups, on the other hand is that you can plant them directly into the ground.

Hardening off seedlings outside

For hardening off outside. I started by placing them outside during the day and taking them in at night.  I only did this for a few days, then I started covering them up with a plastic tarp and leaving them out all night.  This worked well, but there were barely any nights that went below freezing.  If there were more of those nights, I don’t think it would have worked so well.  Once I was sure the temp was going to be above freezing, I left the plants out without a cover.

Tips for transplanting seedlings and hardening seedlings off outdoors |

When I first put them outside, I kept them in groups in individual bins.  I changed this up after the first rain storm. One, because the bins filled with water, and two because I found that the closer to the earth the seedling were, the better they seemed to grow.

Tips for transplanting seedlings and hardening seedlings off outdoors |

Here’s one tip that really seemed to help during the “hardening off outdoors” phase: Bunch all your pots and planters together as close as possible. I have found that the seedling don’t like to grow solo, but rather in good company.  Most likely this keeps them from drying out. Either way, it seemed to make them happy and produce a better survival rate.

There were some seedling that were so small during this transition that I didn’t even try to replant them. I just put them out with the others in their original seed starting containers and let mother nature dictate what would happen.

Guess what, many of the seedling plants that I though were goners came to life and have since been planted in the garden.

I’ve even been able to give some away to friends.

DIY Garden from Seed: Seedling tips for transplanting and cold hardening seedlings outdoors |

I’ll have more on my garden planting coming up soon, as well as before and after pics. If you are doing a garden project, make sure to take your own before and after photos. Being able to see the progress makes for great motivation to keep going.

Start HERE to follow the Start with a Seed Series


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