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Houseleek, Hen-and-Chickens, Old Man and Woman, Roof House Leek 'Director Jacobs'

Sempervivum

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Family

Crassulaceae (krass-yoo-LAY-see-ee)

Info

Genus

Sempervivum (sem-per-VEE-vum)

Info

Synonym

Height

Unknown - Tell us

Spacing

under 6 in. (15 cm)

Sun Exposure

12-15 in. (30-38 cm)

Danger

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

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)

USDA Zone 10b: to 1.7 °C (35 °F)

Hardiness

Bloom Color

Bloom Time

Foliage

Bloom Time

Bloom Color

Bloom Time

Class

Bloom Time

Bloom Color

Class

Bloom Color

Bloom Time

Other Details

Seed Collecting

Full Sun

Fruit Shape

N/A

Fruit Size

Pink

Fruit Colors

Mid Summer

Growing Habit

Evergreen

Succulent

Days to Maturity

Unknown - Tell us

Seed Type

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Usage

Unknown - Tell us

Disease Resistance

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Leaf Type

Unknown - Tell us

Foliage Color

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Water Requirements

Alpines and Rock Gardens

Cactus and Succulents

Where to Grow

Unknown - Tell us

Other details

Unknown - Tell us

Propagation Methods

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Soil pH requirements

Unknown - Tell us

Patent Information

Unknown - Tell us

Plant Size (check one)

Growing Habit

Growth Rate

Leaf Shape

Leaf Appearance

Degree to which the appearance is present

Unknown - Tell us

Leaf Texture (top)

Unknown - Tell us

Leaf Texture (bottom)

Leaf Color

Color of Leaf Margin

Leaf Substance

Number of Vein Pairs

Appearance of Margin

Margin Width

Flower Shape

Flower Fragrance

Does it set seed?

Flower Size

Flower Type

Blooming Habit

Foliage Habit

Ploidy

Color Patterns

Awards (if applicable)

Unknown - Tell us

Gardener's Notes:

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positive

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negative

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Old_Farmer

Napier, WV (Zone 5b) | November 2006 | positive

Director Jacobs can become a hugh plant if given optimum growing conditions. I have had it grow to 6 inches or more and also has big babi...Read More

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Houseleek, Hen-and-Chickens, Old Man and Woman, Roof House Leek 'Director Jacobs'

Sempervivum

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