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Illinois Bundle Flower close up in meadow
Desmanthus illinoensis

Illinois Bundle Flower

Seeds

Packet $3.00
SKU: N/A Categories: , , , , Tags: , ,

Description

Illinois Bundleflower (Desmanthus illinoensis), also called Prairie Mimosa, is a tall native legume that adds both texture and wildlife value to prairie plantings.

It usually grows 3 to 5 feet tall, with soft, fern-like foliage made up of many small leaflets. From June through August, it puts out round, fuzzy-looking flower clusters made up of long stamens. The blooms are subtle but interesting up close and attract small native bees.

As the season goes on, narrow seedpods form and become a food source for wildlife like quail, pheasants, and prairie chickens. The foliage is also appealing to deer and rabbits.

It grows best in full sun and fits naturally into prairies, open areas, and wildlife plantings where a bit of height and ecological usefulness are needed.

Seed Details

Weight 0.025 lbs
Dimensions 3.5 × 0.1 × 2.25 in

Range Map

Illinois Bundle Flower native range

Details

Seeds/Packet250
Germination CodeDirect Sow, Scarification Necessary, Legume Inoculant Optional
SociabilitySelf-Seeding, Clumps
Sun RequirementsFull Sun
Soil MoistureDry, Dry Mesic, Mesic
BenefitsBirds, Game Birds
Height4-5'
USDA Zones4 - 8
Bloom ColorWhite, Yellow
Bloom PeriodJuly, August
Plant Spacing18-24"

Seeds & Seed Mixes:

Seeds and seed mixes ship nationwide, year-round, typically within 3–5 business days. If you would like to postpone a seed mix shipment until fall, please note this at checkout.

Live Plants:

Live plants are available year-round while inventory lasts and ship to all states except California, Arizona, Oregon, Washington, Nevada, Alaska, and Hawaii. After your order is placed, we’ll contact you to coordinate a spring shipping window, as many plants are overwintered and ship once dormancy breaks.

Estimated shipping for 2026 plant orders begins in mid-April, weather permitting.

If you’re looking to secure plants in advance or need larger quantities for a project, we offer contract growing options. Contact us to discuss your needs and request a quote. Additional species not listed online may also be available through contract grow.

Live Stakes:

Live stakes are available by request only and must be ordered by submitting a contact form. Ordering is open seasonally from November 1 through February 28. A minimum of 100 stakes per order is required, with at least 25 stakes per species.

Live stakes ship only to the following states: Missouri, Minnesota, South Dakota, North Dakota, Nebraska, Kansas, Oklahoma, Arkansas, Tennessee, Kentucky, Illinois, Indiana, Ohio, Michigan, and Iowa.

PLS stands for Pure Live Seed, an industry-standard measure of seed quality. It reflects the portion of seed in a batch that is viable and capable of germinating.

What this means for you: when you purchase 1 lb. of PLS seed, the physical weight of the seed you receive will be slightly more than 1 lb. That’s because we account for non-viable seed and natural inert material upfront, so you receive a full pound of live, plantable seed.

Many companies sell bulk seed by total weight, which can include filler and non-viable seed. By pricing based on PLS, we make sure you’re getting exactly what you paid for—high-quality native seed with more predictable, successful germination.

Want to dive deeper? Check out our in-depth article on what PLS is and why it matters.

Here are some good resources to get you started:

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