Hypericum, St. John's Wort, St. Johnswort 'Blue Velvet'

Hypericum

Family
Hypericaceae (hy-PER-ee-KAY-see-ee)
Genus
Hypericum (hy-PER-ee-kum)
Synonym
Spacing
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Sun Exposure
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Danger
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)
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Seed Collecting
Sun to Partial Shade
Fruit Shape
Fruit Size
Gold (yellow-orange)
Fruit Colors
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Growing Habit
Evergreen
Shiny/Glossy
Smooth
Days to Maturity
Seed Type
Disease Resistance
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Perennials
Shrubs
Where to Grow
Other details
Propagation Methods
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
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
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

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

Clermont, Kentucky

Georgetown, Kentucky

Lexington, Kentucky

Louisville, Kentucky

Lexington, Virginia

Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
Sort By:
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F
Vacherie, LA (Zone 9a) | March 2015 | positive

I like this plant a lot, though I've only had it in a pot (for two months) so far. The leaves live up to the 'Blue Velvet' name. They'r...Read More

A
Louisville, KY | February 2010 | positive

I have 5 Dark Knight spirea in a bed and bought 3 'Blue Velvet' (Hypericum) for the foreground and WOW! I was looking for something that ...Read More

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