Best Wild Blue Flag Iris Plants and Seeds for Native Gardens
The best wild blue flag iris choice depends on whether you want a plant ready to grow or seeds for a larger planting. For a quick start with Iris versicolor, choose the rooted Northern Blue Flag Iris. For seed-grown Iris missouriensis, consider the Created By Nature or Sow Right Seeds packets; the latter lists germination and spacing details. The Southern Blue Flag and Harlequin Blue Flag listings offer other seed options, but provide less growing information.
| Product | Best For | Key Detail |
|---|---|---|
| Northern Blue Flag Iris | A ready-to-plant perennial | Rooted plant; zones 3–8 |
| Created By Nature Wild Blue Iris | Naturalized seed plantings | 400 seeds; cold-moist stratification |
| Everwilde Southern Blue Flag | Seed storage and packet convenience | Resealable, layered packaging |
| Harlequin Blue Flag Iris | Buyers seeking an aquatic iris seed option | Listing provides few growing details |
| Sow Right Seeds Wild Blue Iris | Gardeners wanting sowing instructions | About 85 seeds; detailed planting guidance |
Northern Blue Flag Iris Rooted Plant
This is a rooted Iris versicolor perennial supplied in a #1-size container. It is the most direct option for gardeners who want to plant an established iris rather than begin with seed. The seller says the plant is fully rooted and can be planted upon arrival when weather permits.
- Best for: Buyers who want a live Northern Blue Flag Iris for a suitable garden site.
- Why it stands out: The listing gives a USDA hardiness range of zones 3–8 and a mature size of 24–36 inches tall by 20–24 inches wide.
- Consider: It is one plant, so it may not suit buyers looking to cover a large area quickly.
Choose this if having a rooted plant matters more than getting a larger quantity of seeds. Check local conditions and planting weather before ordering.
Created By Nature Wild Blue Iris Seeds
This packet contains 400 Iris missouriensis seeds, also called Rocky Mountain Iris or Western Blue Flag. The listing says the seeds can cover up to 20 square feet and produce blue-purple flowers with yellow accents. It describes the plants as suitable for full sun to partial shade and moist, well-drained sites.
- Best for: Gardeners planning a meadow-style or naturalized seed planting.
- Why it stands out: It gives a specific seed count, coverage estimate, and preparation directions.
- Consider: Seeds need 60–90 days of cold-moist stratification before spring sowing, unless planted outdoors in fall for natural winter treatment.
Keep the soil evenly moist during germination, as the listing recommends. This is a better fit for patient growers than anyone seeking immediate flowers.
Everwilde Farms Southern Blue Flag Seeds
This listing is for 15 Southern Blue Flag Iris seeds. Its strongest stated features concern seed quality information and storage: the packet displays current lab test data, and the Gold Vault packaging uses layered foil intended to provide longer storage than paper or plastic packaging.
- Best for: Buyers looking for a small seed packet with resealable storage.
- Why it stands out: The zipper bag is reusable and can hold excess seeds.
- Consider: The provided product details do not specify sowing depth, germination timing, hardiness zones, or mature size.
Choose this if the Southern Blue Flag designation and packet storage features match your needs. Confirm the plant’s growing requirements before sowing, since the supplied listing details are limited.
Harlequin Blue Flag Iris Seeds
The listing identifies this product as Harlequin Blue Flag Iris, Iris versicolor, and describes it as aquatic. The stated product information otherwise only says “Garden & Patio,” so it does not provide detailed cultivation instructions.
- Best for: Buyers specifically searching for a Harlequin Blue Flag Iris seed option.
- Why it stands out: The listing names the iris and its aquatic category.
- Consider: The available details do not explain sowing, seed quantity beyond the name’s 10-seed designation, or preferred growing conditions.
Before choosing this packet, verify the seller’s current listing for planting directions and site requirements. It is less informative than the seed options with explicit preparation guidance.
Sow Right Seeds Wild Blue Iris
This packet contains at least 750 milligrams, approximately 85 seeds, of Iris missouriensis. The listing describes pale blue flowers with white and yellow accents, and gives practical sowing information: plant seeds 1/8 inch deep, space them 12 inches apart, and use full sunlight.
- Best for: Seed starters who want specific guidance on sowing and spacing.
- Why it stands out: It lists germination in 28–35 days at soil temperatures of 70–75°F, zones 5–9, and flowering in the second year.
- Consider: This is a seed-grown option, so it does not provide an established plant or immediate blooms.
The listed mature height is 3–6 feet, with a spread of 1–1.5 feet. The seller also notes that the flowers attract hummingbirds and beneficial insects.
Buying Guide: How To Choose Wild Blue Flag Iris
Should you buy a plant or seeds?
Choose the rooted Iris versicolor if you want to skip germination and begin with a planted perennial. Seeds can be more useful for filling a larger area, but they require preparation, suitable conditions, and time. The two Iris missouriensis listings provide the clearest seed-growing details.
Which species and growing conditions should you check?
Read the botanical name, not just the common name. These listings include Iris versicolor, Iris missouriensis, and Southern Blue Flag Iris. Their names and stated conditions are not interchangeable. Match the product’s listed zone range and site preferences to your garden, and check the seller’s full instructions when details are missing.
How much seed information is enough?
Compare seed count, coverage, preparation, sowing depth, spacing, and germination details. Created By Nature lists 400 seeds and stratification instructions. Sow Right Seeds gives temperature, depth, spacing, and expected bloom timing. The other seed listings provide less cultivation information in the supplied details.
Frequently Asked Questions
Is wild blue flag iris a perennial?
The listed Northern Blue Flag plant and both Iris missouriensis seed products are described as perennial.
What is the difference between Iris versicolor and Iris missouriensis?
They are different botanical names featured in these listings. Check the species name and product instructions to select the iris appropriate for your planting plans.
Do wild blue iris seeds need cold treatment?
The Created By Nature listing recommends cold-moist stratification for 60–90 days before spring sowing, or outdoor fall planting for natural winter treatment.
When do seed-grown wild blue irises bloom?
Sow Right Seeds says its Iris missouriensis flowers bloom in the second year after sowing.
Can blue flag iris grow in partial shade?
The Created By Nature listing says its seeds prefer full sun to partial shade. Check the specific product’s growing instructions because conditions may differ by species.