Why Grow Ashitaba from Seeds?

While established ashitaba plants are the easiest starting point, growing from seed offers distinct advantages:

• Cost-effective — seeds are widely available online and far cheaper than established plants.
• Rewarding — watching this slow-to-germinate plant finally sprout is deeply satisfying.
• Genetic diversity — seed-grown plants can carry broader genetic variation, useful for long-term garden resilience.
• Availability — in many regions, nursery-grown ashitaba plants are hard to find; seeds are your best option.

That said, ashitaba is notoriously more challenging to germinate than common vegetables like radishes or brassicas. With the right technique, however, germination rates between 35% and 70% are achievable — more than enough for a productive home garden.

Choosing and Sourcing Ashitaba Seeds

Seed quality is the single biggest factor in successful ashitaba germination. Here’s what to look for:

Prioritize Freshness

Ashitaba seeds lose viability relatively quickly compared to most vegetables. Fresh seeds harvested from a mother plant during the current growing season will germinate far more readily than seeds that have been sitting on a shelf. If you can source seeds directly from a grower or specialist seed supplier with a high turnover, do so.

What to Look For

• Seeds may appear green or brown — a mix of both is normal.
• Some seeds come attached as a pair; count each attachment as 2 seeds.
• Avoid seeds that look shriveled, grey, or musty.