Illustration
Blue Jean Baby Russian Sage
Salvia yangii 'Blue Jean Baby'
Also called blue jean baby and blue jean baby perovskia
Blue Jean Baby Russian Sage blooms from July through October.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Blue Jean Baby Russian Sage
Plant it in full sun. It prefers low water. It is hardy in USDA zones 4–8. Expect it to reach about 2.5 ft tall and 3 ft wide at maturity, in roughly 3 years (a house reading).
Pets
- No toxic listing found for dogs and cats in the sources we check.
Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.
No toxicity note is on file for Blue Jean Baby Russian Sage. That is not a clearance: check its safety for people and pets before planting.
What was checked
Mature height and spread, hardiness zones, sun, water, bloom months and color and the trait tags were checked against named botanical sources for this plant, with what the sources could not settle written down; years to mature size rests on a recorded house rule where no publisher states one, and is marked so; its common name and alternate names have not been checked yet. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant Blue Jean Baby Russian Sage
Plant Blue Jean Baby Russian Sage in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 6, the middle of its hardy zones 4 to 8, spring means March to May and fall means August or September. Once settled, it blooms from July to October.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 6, the middle of this plant's hardy range, start with zone 6 in March. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Blue Jean Baby Russian Sage get?
2.5 fttall5 ft 7 inan adult3 ftwideSee Blue Jean Baby Russian Sage in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
How far apart to plant Blue Jean Baby Russian Sage
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Blue Jean Baby Russian Sage about 3 ft apart, center to center, so each plant has room to reach its full width.
Add Blue Jean Baby Russian Sage to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.
Where these facts come from
Blue Jean Baby Russian Sage's height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 13 published sources on October 11, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- Missouri Botanical GardenPlant Finderheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases and pests
- Walters Gardensthe breeder and introducer; Zeeland, Michiganheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases and pests
- Chicago Botanic GardenPlant Evaluation Notes Issue 46, 2020; the study's web pageheight, spread, hardiness zones, sun, bloom months and color, trait tags, soil, diseases and pests
- Plant Addictsthe store this queue came fromheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil and pests
- US plant patent (Google Patents)Google Patents; inventor Hans A. Hansen, assignee Walters Gardens, the...height, spread, hardiness zones, water, bloom months and color, trait tags, soil, diseases and pests
- pridescorner.comPrides Corner Farms (wholesale grower, Lebanon, Connecticut)height, spread, hardiness zones, sun, bloom months and color, soil and pests
- Plant Delights NurseryJuniper Level Botanic Garden, North Carolinaheight, spread, hardiness zones, sun, water and bloom months and color
- Chicago Botanic GardenGlencoe, Illinois; a garden collection entry, marked an archived copy...hardiness zones, sun, water and bloom months and color
- NC State Extensionthe SPECIES page, Salvia yangiisun, water, soil, diseases and toxicity
- Chicago Botanic Gardenthe same study as a 10-page PDFheight, spread and bloom months and color
- spl.cde.state.co.usColorado State University, Department of Horticulture and Landscape Ar...height, spread and bloom months and color
- spl.cde.state.co.usColorado State University, Department of Horticulture and Landscape Ar...height, spread and bloom months and color
- spl.cde.state.co.usColorado State University, Department of Horticulture and Landscape Ar...height and spread
How the checking works, and what each standard covers, is on the verified plants page.
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Design a garden with this
Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.