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Anise Hyssop quart outside greenhouse
Anise Hyssop overhead quart seedling view of leaves and foliage
Anise Hyssop seed close up with coin and label
Anise Hyssop quart outside greenhouse
Anise Hyssop overhead quart seedling view of leaves and foliage
Anise Hyssop seed close up with coin and label
Agastache foeniculum

Anise Hyssop

Seeds

Packet $3.00

Plants

50 Plug Tray Out of Stock

Description

Anise Hyssop (Agastache foeniculum), also called Blue Giant Hyssop or Lavender Hyssop, is a fragrant native that’s as practical as it is attractive. It produces tall spikes of lavender to violet flowers from early to late summer, and those blooms stay busy with bees, butterflies, and hummingbirds the entire time. The leaves have a noticeable licorice or anise scent when crushed, which is where the name comes from. The foliage is soft green with lighter undersides that catch the light in the wind, adding a bit of movement even when it’s not in bloom.

It typically grows 2–3 feet tall with sturdy, square stems and an upright stature. Flowers open gradually along the spikes, which helps extend the bloom period. It’s also one of the easier natives to grow and will often bloom in its first year. It self-seeds, but seedlings are easy to manage or transplant.

Anise Hyssop does best in full sun and well-drained soils, but it’s pretty adaptable once established and handles drought well. It’s also deer-resistant thanks to its strong scent.

Beyond the garden, it has a long history of use. The leaves and flowers are edible and commonly used in teas, baking, and salads for their sweet, herbal flavor. Traditionally, it’s been used to support digestion, soothe colds, and promote relaxation.

Anise Hyssop pairs well with other sun-loving natives like Purple Coneflower (Echinacea purpurea), Black-eyed Susan (Rudbeckia hirta), Little Bluestem (Schizachyrium scoparium), and Wild Bergamot (Monarda fistulosa) for a colorful, pollinator-heavy planting.

Range Map

Anise Hyssop native range map

Details

Seeds/Packet1,000
Germination Code30 Day Stratification, No Soil Cover
SociabilityClumps, Self-Seeding, Slow Spreader
Sun RequirementsFull Sun, Partial Sun
Soil MoistureDry Mesic, Mesic
BenefitsPollinators, Bees, Birds, Deer Resistant
Height2-3'
USDA Zones3 - 6
Bloom ColorPurple
Bloom PeriodJune, July, August, September
Plant Spacing12-18"

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.