perennial

Great Burnet

Sanguisorba officinalis 'Tanna'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

20 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Europe and Asia

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Sanguisorba officinalis 'Tanna' produces tall spikes of red flowers, which are attractive to pollinators. This cultivar is known for its robust growth and exceptional flower display, making it a favorite in garden borders.

Bloom Period:

EarlyLate

Uses & Benefits:

Sanguisorba officinalis Tanna adds silvery foliage and delicate flowers, enhancing borders and perennial beds with texture and color.

Its drought tolerance makes it suitable for low-maintenance gardens, and it attracts beneficial insects.

Provides habitat and nectar for pollinators, supporting local biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into well-drained soil; keep moist for germination, which takes 2-3 weeks.
Plant seedlings in full sun or partial shade, spacing 18-24 inches apart.
Water regularly to maintain consistent moisture, especially during dry spells.
Mulch around plants to retain soil moisture and suppress weeds.
Fertilize with a balanced organic fertilizer in early spring for vigorous growth.
Divide clumps every 3-4 years in early spring or fall to rejuvenate.

Pro Tip

Ensure soil is rich in organic matter and well-draining to promote healthy root development.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist but not waterlogged 🌱
Apply organic mulch annually to conserve moisture
Divide plants in early spring for better growth
Prune back after flowering to maintain shape
Use organic fertilizer in spring for lush foliage

Don't

Avoid overwatering which can cause root rot ❌
Do not neglect pruning after flowering
Avoid planting in poorly drained soil
Do not fertilize with high nitrogen fertilizers late in the season
Refrain from disturbing roots excessively during division

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silvery‑foliaged borderHerbaceous perennial plantingMoist shade garden accent

Companion Plants

Astilbe Hosta Fern Ligularia Japanese painted fern

Multiply

Propagation Methods

Good to Know

Common Questions

Great Burnet questions

What zones can Great Burnet grow in?

Great Burnet is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Great Burnet deer resistant?

Yes — Great Burnet is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Great Burnet bloom?

Great Burnet typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Great Burnet need full sun?

Great Burnet does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.