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May Night Salvia

Salvia x sylvestris 'Mainacht'

  • Deep Violet-Purple Flowers Bloom Spring Through Fall with Minimal Deadheading Required
  • Cold Hardy: Thrives in Zones 3-8
  • Grows 2 ft Tall and Wide
  • Deer Resistant, Drought Tolerant
  • Sweetly Fragrant Flowers
Regular price $1699
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Plant Size

Planting & Care

Where to Plant

  • Sunlight: Give this perennial a spot receiving at least 6 hours of direct sunlight daily to ensure the violet-blue spikes stay upright and vigorous. While it can tolerate very light shade, too much shade causes the stems to flop and significantly reduces flower production.
  • Soil: Plant in well-drained soil, as soggy roots are the quickest way to kill Salvia; if you have heavy clay, plant in a raised bed or amend the site with compost to improve drainage. It tolerates average to poor soil well, so avoid amending with too much rich organic matter which can cause leggy growth.

Watering Requirements

Water deeply and regularly during the first growing season to help the root system establish, checking the top inch of soil for dryness before adding more. Once established, May Night is quite drought-tolerant, but occasional deep watering during hot, dry spells will keep the foliage lush and support a strong rebloom.

Pruning Tips

To encourage a second flush of blooms later in the summer, shear the plant back by about one-third immediately after the first round of flowers fades. In late winter or very early spring, cut the old, woody stems down to just above the new basal growth emerging at the soil line to tidy up the plant for the new season.

Fertilizer Needs

Apply a light layer of compost or a slow-release, balanced fertilizer in early spring as new growth appears. Avoid high-nitrogen fertilizers, especially late in the season, as they promote weak, leggy growth that tends to flop over rather than standing tall.

Delivery and Shipping

Shipping Rates

Ships in 7-10 business days • Tracking provided • Weather protected

Under $50 $9.99
$50 - $99.99 $14.99
$100 - $149.99 $16.99
$150 - $198.99 $24.99
$199+ FREE

✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee

Specifications

Plant specifications
Plant Characteristics Attracts pollinators, Drought resistant, Flowering, Fragrant, Disease resistant, Cold hardy
Hardiness Zone 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Sunlight Full sun
Height 2 ft
Width 2 ft
Watering Needs Moderate
Preferred Soil Loamy, Peaty, Sandy
Growth Rate Fast
Growth Habit Compact, Upright
Plant Life Cycle Perennial
Blooms In Spring, Summer, Fall
Flower Color Purple
Foliage Color Green
Fragrant Yes
Suitable Space Indoors, Outdoors
Botanical Name Salvia x sylvestris 'Mainacht'
Species x sylvestris
Cultivar Mainacht
Class Lamiales
Does Not Ship To AK, HI, ID, MT, PR

Frequently Asked Questions

What are the best growing zones for May Night Salvia?

  • May Night Salvia thrives in USDA hardiness zones 3 to 8. This wide range makes it suitable for most temperate climates across the United States. Plant in spring after the last frost for best establishment before summer blooms begin.

What is the mature size and height of May Night Salvia at maturity?

  • May Night Salvia reaches 18 inches tall when in bloom and spreads about as wide or wider at maturity. This compact perennial maintains excellent form throughout zones 3-8. Plant 2 feet apart for solid edging borders, available at naturehills.com.

How much sun does May Night Salvia need – full sun only?

  • May Night Salvia thrives in full sun to partial shade, though it performs best with at least 6 hours of direct sunlight daily. In zones 3-8, full sun produces the most abundant violet-purple blooms from late spring through fall. Plant in morning sun with some afternoon shade in hottest climates.

Does May Night Salvia need fertilizer, and when should I apply it?

  • May Night Salvia thrives without regular fertilization due to its low-maintenance nature. A light application of balanced fertilizer in early spring as new growth emerges will support vigorous blooms. Avoid over-fertilizing, which can reduce flowering and make plants leggy.

How do I prune May Night Salvia to encourage more blooms?

  • Deadhead spent flower spikes immediately to promote continuous blooming from late spring through fall. Cut back by one-third after the first flush of blooms for a second wave of violet-purple flowers. This low-maintenance perennial available at naturehills.com rewards regular deadheading with months of butterfly-attracting blooms.

When is the best time to plant May Night Salvia in my region?

  • Plant May Night Salvia in spring after the last frost date in your area. Since it's hardy in zones 3-8, timing varies by region - northern gardeners should wait until late spring, while southern zones can plant earlier. Space plants 2 feet apart for best coverage.

What are the shipping dates for May Night Salvia by region or season?

  • May Night Salvia ships during optimal planting windows based on your hardiness zone and local frost dates. Since this perennial thrives in zones 3-8, northern regions typically receive shipments in late spring while warmer zones may get fall shipments for establishing before winter. Check your specific zone's shipping calendar to ensure plants arrive when soil conditions are ideal for the 18-inch mature specimens.

Is May Night Salvia deer and rabbit resistant in real gardens?

  • May Night Salvia's aromatic foliage naturally deters deer and rabbits in most gardens. The plant's herbal fragrance that releases when brushed against makes it unappealing to these pests. Plant it confidently along walkways and borders where deer browse.