Home / Guides / Plant Files / Caryophyllaceae

Silene, Lychnis 'Rollie's Favorite'

Silenex robotii

Upload Image Print Article
Silene x robotii by altagardener
View Gallery 12 photos
Upload Image Print Article
Family
Caryophyllaceae (kar-ree-oh-fil-AY-see-ee)
Info
Genus
Silene (sy-LEE-nee)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage

Unknown - Tell us

Height
12-18 in. (30-45 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Danger

Unknown - Tell us

Bloom Color
Pink
Magenta (pink-purple)
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details
May be a noxious weed or invasive
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Gaylesville, Alabama

Calistoga, California

New Lenox, Illinois

Washington, Illinois

Waukegan, Illinois

Des Moines, Iowa

Sioux Center, Iowa

Dracut, Massachusetts

Marlborough, Massachusetts

Marquette, Michigan

Kasota, Minnesota

Greenville, Ohio

Hamilton, Ohio

Clarion, Pennsylvania

Clarksville, Tennessee

North Richland Hills, Texas

Huntington, West Virginia

show all
View this plant in a garden
2 members have or want this plant for trade

Featured Videos

Gardener's Notes:

Post Comment
1
positive
0
neutral
0
negative
Sort By:
Post Comment
Sort By:
C
C
CoCrazyWoman
Greenville , OH (Zone 5b) | June 2023 | positive

This is a wonderful, easy to care for perennial that blooms very early in spring. It's a strong grower in my Ohio garden. I fertilize i...Read More

Popular Plants
SEE ALL
Iris
Peppers
Hydrangeas
Hostas
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Mourning Cloak
(Nymphalis antiopa)
BIRD FILES
Tourmaline Sunangel
(Heliangelus exortis)
Quick Links
View All Families
View All Genera
View All Species
Freeze/Frost Dates
PlantFiles FAQ
Plants with no Photos
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Mourning Cloak
(Nymphalis antiopa)
BIRD FILES
Tourmaline Sunangel
(Heliangelus exortis)