Start lotus from seed by filing the hard coat until the cream shows, then soak the seed in warm water and change the water every day.
File the hard coat, then soak the seed
| Factor | Recommended | Avoid |
|---|---|---|
| Seed | A hard, dark-brown seed. File the rounded end or the side until a cream patch shows | Do not file the pointed end, and do not cut into the inside |
| Soak | Warm water, about 70 to 85 F, in a clear cup. Change the water daily | Do not leave cloudy water on the seed, and do not use chemically softened water |
| Viable | Keep seeds that swell and sink. Sprouts often show in about a week | Do not keep floaters; they are not viable |
| Move | When stems are about four inches long, set the sprout in a shallow dish of sand or clay | Do not bury a new sprout in a deep, cold pot |
| Bloom | Expect leaves the first season and flowers the next year | Do not treat a seed start like a tuber that blooms this summer |
The coat is thick on purpose. Water cannot reach the seed until you file or nick it. File until you see cream, then stop. [1] sacred lotus is the usual packet. Keep seeds that sink and swell; discard floaters. Warm water around 80 F often sprouts in four to five days. [2] American lotus uses the same file-and-soak; it can take longer to swell than sacred lotus. [3]
Do I file lotus seed?
Yes. File the rounded end or the side until a cream patch shows, then soak it. An unfiled seed can sit for years.
How to start lotus from seed
Work in a warm room. The cup is the start; the pond pot comes after the sprout has a few inches of stem.
- File the rounded end or the side of a hard, dark seed until a small cream patch shows. Stop there.
- Drop the seed into a clear cup of warm water. Set it in bright light. Change the water every day if it clouds.
- Discard seeds that stay afloat. Keep the ones that swell. Sprouts often show in four to seven days in warm water, or a little longer for American lotus.
- When stems are about four inches long, set the sprout in a shallow dish with a few inches of sand or clay and warm water over it.
- Once several standing leaves are up, move the plant into a round pot with no holes — see Planting Lotus. [4]
How long until it sprouts?
Often four to seven days in warm water after you file the coat. American lotus can take longer. Floaters will not sprout.
What fails when you sow
An unfiled coat is the usual stall. Filing the pointed end, or cutting into the cream, kills the seed. Cloudy water left for days can rot it. Floaters will not start. After the sprout has standing leaves, sun and a closed pot are the next jobs — not a second scarify.
If the seed never swells, file a little more of the coat and soak it again in warm water.
FAQ
Will it bloom the first year?
Usually not. Seed plants spend the first season on leaves. A tuber is the start if you want flowers this summer.
Is American lotus slower from seed?
It can take longer to swell than sacred lotus. Use the same file-and-soak, and give it warm water.
Related guides
Recommended plants
References
- [1] Friends of Kenilworth Aquatic Gardens -
https://kenaqgardens.org/grow-a-lotus/ - [2] UF/IFAS Extension -
https://edis.ifas.ufl.edu/publication/AG380 - [3] International Waterlily & Water Gardening Society -
https://iwgs.org/growing-lotus-seeds/ - [4] NC State Extension Gardener -
https://plants.ces.ncsu.edu/plants/nelumbo-nucifera/
This note is part of Nelumbo Guides.
More notes on making another plant live in Propagating Guides.
Updated: Reviewed by Bosquelle Editors