Growing asparagus from seed Growing asparagus from seed transplanting maintaining healthy plants and harvesting spears collecting and saving asparagus seeds pods berries and everything to do with growing asparagus. Click the video below to see how it's done! Seeds planted on 1st of March, 2021. The first sign of germination was on the 24th of March. Asparagus can take anywhere between 14 to 30 days and more to germinate depending on how old and viable the seeds are. Asparagus plants can quickly become root-bound and stunt or slow their growth and although they can tolerate compact containers for optimal growth this would be a good time to transfer them into a larger container to keep the growing process moving along. Asparagus prefers well-drained soil with a ph between 6.5 and 7.0, also asparagus plants need 1 to 2 inches of wat