I have learned the hard way to be patient and wait for warmth (June) to plant my store bought tomato, basil, and zucchini plants. If seedlings are planted before the ground is warm enough, they won’t grow well. This is especially true for certain veggies, like green peppers. The reason we are told to make hills for planting squash and such, is so the little mound of dirt will warm up.
In the northeast we have had a ton of rain over the last week or so. I have put out a few seeds (carrots) and on the one nice day we had I added some marigolds to the garden. But my tomatoes, basil, cukes, and zucchini are still waiting in the green house. If the sun comes out, I move them out onto the deck for direct sunlight, but they go back into the green house for overnight. I love my little green house! It has really come in handy to store the seedlings and they are doing quite well. Some 90 degree days are coming this week, so I’ll get them into the yard by the weekend.