Baptisia sphaerocarpa (Yellow False Indigo) [20 Seeds]


Germination Information: I recommend these seeds for experienced seed-starters only, because they require some patience. It may take several months to see germination, and the plants may take several years to produce their first flowers. They are worth the wait, however, and can live for many years without any special care.

There are a number of different ways you can approach germinating these seeds.

One route I have had good luck with in late winter to midsummer is nicking the seeds with nail clippers, pouring hot water over them, letting them soak for a day or two, and then sowing in warm conditions (70° to 80°F).

Another approach is to sow the seeds (about 1/4″ deep) in fall to mid winter. Set them outdoors in a spot protected from mice so they can germinate when conditions are right in spring.

Some references suggest inoculating baptisia seeds before sowing to enhance germination. I have not found that to be necessary, but I encourage you to do further research to learn about inoculation, and about other germination techniques, if you’re interested.

Note that this information will not appear on the seed packet you receive.

Please read the description as well before ordering.

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Yellow false indigo (Baptisia sphaerocarpa) produces bushy, 3- to 4-foot-tall and -wide mounds of light green to grayish green leaves accented with spiky clusters of bright yellow flowers in late spring. Those blooms mature into hard, rounded, marble-sized seedpods. In my experience, it is much less likely to self-sow than other baptisias; in fact, it takes a good bit of work to get the seeds out of the seedpods, and there are usually only one or two seeds in each. The developing seedpods also tend to pull the stems out and down as they mature, causing the plants to sprawl a bit. If you don’t want to collect the seeds, consider shearing the plants back by about a third as soon as the flowers fade; this will encourage dense, bushy regrowth and produce fresh foliage that looks good through the rest of the growing season. US native. Full sun. Perennial; Zones 3 to 9.

Please be aware that the plants I collected these seeds from were open-pollinated, and I have other baptisia species growing in my gardens and meadow, so there’s a possibility that there may be some variation in the seedlings.

Harvested in August 2022. At least 20 seeds. Unknown ecotype. Shipping to US addresses only.

Please read the germination information as well before ordering.

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