Blue Hill Salvia

Salvia sylvestris 'Blue Hill' is a superb selection grown for its late spring display of clear blue flowers held over sturdy compact mounds of green foliage. It is extremely cold hardy, resistant to browsing deer and rabbits and loves heavy clay soils. Drought resistant/drought tolerant plant (xeric).
Zones4 - 9
Advantages
bee-friendly
Bee Friendly
attract-butterflies
Attract Butterflies
attract-hummingbirds
Attract Hummingbirds
hcg-deer-resistant-icon
Deer Resistant
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Extended Bloom Time (more than 4 weeks)
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Good For Cut Flowers
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Good For Dried Flowers
fragrant
Fragrant Flower / Foliage
containers
Good For Containers
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Good Rockgarden Or Alpine Plant
hcg-rabbit-resistant-icon
Rabbit Resistant
Light Requirements
full-sun
Full Sun
Water Tolerance
Low-Water
Mature Height 15" tall
Mature Spread18" wide
Bloom TimeSummer
Shipping DetailsNow shipping to zones 2-10.
Learn More…
Item Package SizePlant - 5" Deep Pot
SKUHC014706

USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

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SKU
HC014706

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Details
15" tall x 18" wide (cutting propagated). This is a knockout performer from Germany, valued for its sturdy, compact stature, summer-long blooming habit and unique, clear blue flowers. Like an unsung hero, 'Blue Hill' blends subtly into your garden bringing out the best in other plants, highlighting the colors of the flowers that surround it. Modest amounts of water and any enriched garden soil keep this plant happy and blooming.
More Information
SKUHC014706
Item Package Size
Plant - 5" Deep Pot
Common Name
'Blue Hill' Meadow Sage
Botanical Name
Salvia sylvestris 'Blue Hill'
Zones
4, 5, 6, 7, 8, 9
Light Requirements
Full Sun
Flower Color
Blue
Mature Height
15" tall
Mature Spread
18" wide
Bloom Time
Summer
Ships As
Potted Plant
Soil Type
Average Soil, Sandy Soil, Clay Soil
Soil Moisture
Waterwise
Advantages
Bee Friendly, Attract Butterflies, Attract Hummingbirds, Deer Resistant, Extended Bloom Time (more than 4 weeks), Good For Cut Flowers, Good For Dried Flowers, Fragrant Flower / Foliage, Good For Containers, Good Rockgarden Or Alpine Plant, Rabbit Resistant
Ideal Region
Anywhere In The US, Northeast, Southeast, Midwest, West, Southwest, Pacific Northwest, Suitable Above 7000 ft
Planting Time
Spring / Summer, Fall
Ships To Canada
No
Planting Guides

Tips For Growing Salvia

Salvia (commonly referred to as ‘Sage’) represent a huge family of ornamental plants that attract a variety of pollinators to their nectar rich flowers. They are resistant to deer and rabbits.

  1. Plant in full sun.
  2. Plant native Western Salvia varieties in soil that is low fertility and well-drained.
  3. Plant Old World Salvia in a wide range of soils (loams, sand) including clay.
  4. Many spring-flowering varieties of sage will re-bloom in fall if deadheaded after the first bloom.
  5. New transplants need regular irrigation their first growing season to establish themselves. Once established they will need regular, deep irrigation during hot, dry weather.
  6. During fall garden clean-up, wait to cut back the plants until spring for improved cold hardiness.
  7. In colder USDA zones (zone 6 and below) it is essential to give Native Southwestern and Southwestern hybrids protection from the extreme cold their first couple winters in the garden. Mound up pine needles or fallen autumn leaves over and around the base of the plant.

Western Native Salvia: : It is from the Western US that we find our most beautiful native salvia species. For attracting hummingbirds, there are no finer flowers than the Western native sages. Typically, this group of Salvia prefer ‘lean’ (not very fertile), well drained soils. They will grow in dry clay conditions in arid climates but will rot out in clay soils where there is more than about 15 to 18” of precipitation annually.

Western Salvia include:

  • Salvia greggii - ‘Furman’s Red’, ‘Cold Hardy Pink’
  • Salvia hybrids - ‘Maraschino’, ‘Raspberry Delight’, ‘Ultra Violet’ and ‘Burgundy Seduction’.
  • Salvia pachyphylla and Salvia dorrii is recommended for arid western gardens.
  • Salvia azurea and Salvia reptans - Early fall bloomers with excellent cold hardiness.

To get established in USDA zones 5 & 6, Western Salvia (noted above) must be planted in spring or early summer, not in the fall. Protect your new plants over their first winter or two in your garden. Cover each plant with a generous pile of clean straw or pine needles. This allows the plant's crown (junction of root and branches) to mature and obtain maximum cold hardiness.

Old Wolrd Salvia: The Old World Salvia include some of the very best, most durable, longest-lived perennials. These salvia are an excellent choice for gardeners across most of the United States. ‘Old World’ Sages bloom primarily in shades of blue, pink and white. They are well adapted to cold climates and a wide range of soils including clay. The European Salvia are incredibly attractive to honey bees, many of our native bees and bumble bees as well as butterflies.

Old World varieties include:

  • Salvia syslvestris'Lyrical Rose', 'May Night', 'Little Night', 'Caradonna' and 'Marcus'.
  • Salvia daghestanica
  • Salvia verticiliata

More in-depth guidance for growing Salvia: Planting Nectar Rich Salvia to Attract Pollinators to the Garden, Sage Advice, The Spectacular Salvia and Cold Hardy, Late Summer / Early Fall Blooming Sages.


View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.
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As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat.  The ‘Plant Information’ section describes how that item will ship. All perennials and spring-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.

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