lavender mist meadow rue (Thalictrum rochebruneanum), photographi

How to Grow Lavender Mist Meadow Rue

Thalictrum rochebruneanum · Zones 4-7

Lavender Mist Meadow Rue is a perennial grown for its purple blooms, which open in summer and return year after year. It's hardy across USDA zones 4 through 7 and shrugs off deer. Its summer flowers are a modest draw for native bees.

Lavender Mist Meadow Rue — the short answer

Lavender Mist Meadow Rue: grown in zones 4–7, part sun, pH 5.5–7.5.

USDA zones
4–7
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
Soil pH
5.5–7.5
Growable Ground Plant Database
Sun
Part Sun
Growable Ground Plant Database

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.

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See Lavender Mist Meadow Rue

Lavender Mist Meadow Rue (Thalictrum rochebruneanum), photograph
Photo: (c) Qwert1234, , via Wikimedia Commons · CC BY-SA 4.0 · via Wikimedia Commons

What Lavender Mist Meadow Rue is

Lavender Mist Meadow Rue grows as a perennial and reaches around five feet at maturity. It blooms purple in summer. It's also deer-resistant.

How to grow Lavender Mist Meadow Rue

Lavender Mist Meadow Rue grows in USDA zones 4 through 7. Lavender Mist Meadow Rue does best in part sun — at least 4 hours of direct sun a day — and soil from pH 5.5 to 7.5, on well-drained ground.

USDA Zones

4-7

USDA PHZM 2023

Soil pH

5.5 - 7.5

Growable Ground Plant Database

Sun

Part Sun

Growable Ground plant catalog

Drainage

well (dry spells)

Growable Ground plant catalog

Mature Height

5 ft

Growable Ground plant catalog

  1. Start the season right

    Plant lavender mist meadow rue in part sun with at least 4 hours of direct sun. It grows in the cool halves of the year, so sow it in spring or late summer rather than waiting for midsummer heat.

  2. Match the soil

    Lavender Mist Meadow Rue prefers pH 5.5 to 7.5 (Growable Ground Plant Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.

  3. Water steadily

    Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.

  4. Harvest at its peak

    Cut lavender mist meadow rue blooms in the cool of the morning, just as they open, for the longest display.

Where Lavender Mist Meadow Rue thrives

Lavender Mist Meadow Rue is hardy across USDA zones 4 through 7. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.

A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 47 spans average winter lows from -30°F to 10°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 15 outright and splits 33 more down the middle — and which side of that line your land sits on changes the answer.

Zones 4–7 highlighted on the USDA national hardiness zone map

Zones 4–7·Where Lavender Mist Meadow Rue growsOpen map →

This map is derived from the USDA ARS / PRISM Plant Hardiness Zone Map (2023) and is not the official USDA Plant Hardiness Zone Map.

Where Lavender Mist Meadow Rue stands, state by state

Lavender Mist Meadow Rue is rated for zones 47 — a cold floor USDA puts at -30 to -20°F. Across the 50 states and DC, 15 sit fully inside that band, the line runs through 33 more, and 3 sit outside it — and inside every split state, the same line runs on at county grain.

Fully inside zones 4–7

15 states

3 of 15 shown

The line runs through

33 states

3 of 33 shown

Lavender Mist Meadow Rue’s band covers part of each of these states — which side of the line your county sits on changes the answer, and each state page draws it.

Outside zones 4–7

3 states

Too little winter chill rather than too much cold — a low-chill selection is what changes it. Each link is that state’s own growing hub.

State zone extents: USDA Plant Hardiness Zone Map (PHZM) 2023. A zone is a 10°F band of average annual extreme minimum temperature, so a state that splits the band contains the boundary — its own page draws the county line, and a parcel report resolves which side your land sits on.

Good to know

Good news for pet owners — lavender mist meadow rue isn't known to be toxic to dogs or cats. (Source: ASPCA.)

Lavender Mist Meadow Rue offers low value to bees and other pollinators.

Your land is one point inside Lavender Mist Meadow Rue's range

This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.

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See if Lavender Mist Meadow Rue will thrive on your land

Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether lavender mist meadow rue actually takes — we score it against the real conditions at your address.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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How we know this about Lavender Mist Meadow Rue

The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.

Grounded inUSDA PLANTS DatabaseUSDA PHZMASPCA

Frequently asked questions

Can I grow Lavender Mist Meadow Rue in my zone?

Lavender Mist Meadow Rue grows in USDA hardiness zones 4 through 7 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.

When should you plant Lavender Mist Meadow Rue?

Lavender Mist Meadow Rue is a cool-season crop, so it goes in during the cool halves of the year — early spring, and again in late summer for a fall planting — rather than at the height of summer heat. Your local frost dates set the exact window — a Growable Ground report reads them for your address.

How much sun does Lavender Mist Meadow Rue need?

Lavender Mist Meadow Rue does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.

What soil does Lavender Mist Meadow Rue need?

Lavender Mist Meadow Rue prefers soil pH 5.5 to 7.5, on well-drained ground (Growable Ground Plant Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.

Does Lavender Mist Meadow Rue attract pollinators?

Yes — lavender mist meadow rue's flowers are a modest nectar source for native bees.

Is Lavender Mist Meadow Rue safe for pets?

Lavender Mist Meadow Rue is not known to be toxic to dogs or cats based on available data. Always supervise pets around new plantings. (Source: ASPCA.)

Keep exploring Lavender Mist Meadow Rue

Lavender Mist Meadow Rue by USDA hardiness zone