How to Grow Hypericum Lemon Splash
Hypericum Lemon Splash
Hypericum × inodorum 'Lemon Splash'
shrubHypericum Lemon Splash is a compact ornamental shrub prized for its vibrant golden-yellow foliage with green variegation and delicate yellow flowers followed by showy orange-red berries. This cultivar of St. John's Wort is valued for season-long color and is popular in gardens, containers, and floral arrangements. It offers year-round visual interest with changing berry tones as they mature.
When should you plant Hypericum Lemon Splash in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Hypericum Lemon Splash timeline · Pittsburgh, PA (Zone 6b)
-
Plant Hypericum Lemon Splash
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Hypericum Lemon Splash
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Hypericum Lemon Splash dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 6-8; moderately hardy in zone 5
Sign up free to see if Hypericum Lemon Splash grows in your zone — and get a personalized planting timeline.
Get my Hypericum Lemon Splash timeline →Growth Stages
Establishment
3-6 months after plantingYoung shrub with compact growth form; initial foliage is bright yellow-green. Root system is developing.
Water regularly to establish deep roots. Mulch around base. Provide shelter from strong winds in first season. Avoid fertilizing heavily.
Vegetative Growth
Spring through early summerShrub expands in width and height with increasingly vibrant variegated yellow and green foliage. New stems emerge continuously.
Prune lightly to encourage bushier growth. Remove any green-leaved reversions. Water during dry spells. Apply balanced fertilizer in spring.
Flowering
June through JulyDelicate small yellow star-shaped flowers appear in clusters at branch tips. Flowers are relatively inconspicuous but attractive.
Deadheading is optional; flowers are followed by fruit. Maintain consistent watering. Do not prune heavily during this stage.
Fruiting & Colorful Display
August through FebruaryShowy orange-red berries develop where flowers were. Berry color intensifies and persists well into winter, providing long ornamental value.
Allow berries to remain on plant for visual appeal. They attract birds. Reduce watering slightly but maintain adequate moisture. No pruning needed.
Dormancy & Winter Color
November through FebruaryFoliage remains on plant with variegation intact; berries darken to deep crimson-red. Growth slows significantly in cold climates.
Minimal watering; allow plant to rest. Protect from harsh winds in exposed locations. Prune only to remove dead wood if temperatures drop below zone hardiness.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Hand-pick in early morning or spray with neem oil or insecticidal soap; use pheromone traps away from plant
-
Increase humidity, spray foliage with water, apply miticide or neem oil if infestation is severe
-
Use yellow sticky traps, spray with insecticidal soap or horticultural oil; encourage beneficial insects
-
Remove with rubbing alcohol on cotton swab; apply neem oil; ensure good air circulation
Uses
Year-Round Garden Color
OrnamentalHypericum Lemon Splash provides sustained visual interest with golden-variegated foliage and vibrant orange-red berries that persist through winter. It brightens gardens during otherwise drab seasons and works well in mixed borders, containers, and foundation plantings. [source]
Floral Arrangements & Cut Flowers
CraftBranches laden with colorful berries are highly valued in floristry and cut flower arrangements. The long-lasting berries and attractive foliage provide texture and color to bouquets, wreaths, and decorative displays. [source]
Bird & Pollinator Support
WildlifeThe flowers attract pollinators including bees and butterflies, while the abundant berries provide food for birds during fall and winter months. The dense foliage offers shelter for beneficial insects and small birds. [source]
Limited Culinary Use
CulinaryWhile ornamental hypericum species have edible berries used in some cultures for beverages and preserves, Hypericum Lemon Splash is primarily grown for ornament. Consumption should be verified for safety with specific cultivars. [source]
Harvest Tips
Not harvested for fruit consumption in typical gardening. Branches with berries can be cut for floral arrangements; cut in late summer through winter when berries are fully colored. Cut stems will last 2-3 weeks in water.
Fun Facts
- 🌱 The name 'Lemon Splash' refers to the brilliant golden-yellow variegated foliage that resembles splashes of lemon juice across green leaves, which intensifies in full sun.
- 🌱 Hypericum berries were historically used in traditional St. John's Wort herbal medicine; however, ornamental cultivars like Lemon Splash are grown primarily for their decorative berries and foliage rather than medicinal properties.
- 🌱 The berries can change color through the season, often starting as yellow or orange and deepening to crimson-red, extending the ornamental interest of the plant from summer through winter.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Hypericum Lemon Splash planting timeline
Tell us your zip code and we'll calculate exactly when to start Hypericum Lemon Splash seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Hypericum Lemon Splash timeline →