Sea Heath
frankenia corymbosa
Also known as: ["Dwarf Sea Heath","Low Frankenia"]
Overview
A low-growing, evergreen shrub native to coastal regions, characterized by small, scale-like leaves and clusters of pinkish-white flowers.
Benefits & Perks
["drought tolerant","deer resistant","wildlife attractant (bees, butterflies, birds)","low maintenance"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Frankeniaceae |
| Genus: | Frankenia |
| Botanical Name: | Frankenia corymbosa |
Plant Characteristics
Basic Information
- Category: Shrubs
- Suitable Location: rock garden, coastal areas, or sunny garden bed
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"10–35°C"}
- Hardiness: {"zones":"8–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent root rot.
- Soil Type: Well-draining, sandy loam with some organic matter; cactus or succulent mix works well.
Maintenance Level
- Maintenance Level: low
- Toughness Level: high
- Pruning Frequency: Annually in late winter or early spring; light pruning can be done as needed.
- Pruning Intensity: Moderate; remove up to one-third of old growth to rejuvenate the plant.
Care Details
Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight daily; adjust for intense summer sun.
Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight; protect from harsh midday sun; place in filtered light during peak summer.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant for even light exposure; use sheer curtains to filter intense sun; avoid sudden light changes.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering.
Soil
well-draining, sandy or loamy soil
pH: Slightly acidic to neutral, pH 6.0–7.0.
Use a mix with good drainage; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers warm temperatures, 65–85°F (18–29°C); tolerates mild frosts but thrives in warmth.
Protect from frost; avoid drafts; maintain consistent warmth during active growth.
Fertilizing
every 4–6 weeks during growing season, none in winter
Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; use a balanced formula.
Propagation
Methods
Stem cuttings; division of clumps; seeds (less common).
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Keep moist and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Well-draining mix of perlite and peat moss or cactus potting mix.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots develop in 3–6 weeks; new growth appears in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining medium.
Quick Tips
Use healthy, non-flowering stems; maintain high humidity with a plastic cover; avoid direct sun.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips for bushiness; cut back leggy stems to encourage branching.
Pruning Plan
Remove dead or overgrown stems to encourage bushier growth and better flowering.
Tools
Pruning shears, clean knife, gloves.
Checklist
Sanitize tools; prune dead/damaged stems; shape for airflow; dispose of clippings.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
One size larger pot; ensure good drainage holes.
Method
Remove plant gently; trim roots if necessary; place in a slightly larger pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for growth and drainage.
Checklist
Check root bound status; prepare new pot; use fresh soil mix; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water in the morning to reduce evaporation.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure good aeration.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or browning leaf edges in extreme heat; stunted growth or yellowing in cold.
Cold Stress
Slows growth; may cause leaf drop; susceptible to root damage in freezing temperatures.
Solution: Move to a warmer location; provide frost protection; avoid overwatering in cold.
Hot Stress
Leaf scorch, wilting, or drooping; reduced flowering in excessive heat.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Check growth phase; dilute fertilizer; apply to moist soil; avoid contact with foliage.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength; fertilize monthly during growing season (spring to early fall); avoid winter fertilization.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicFrankenia corymbosa is not considered toxic to cats. There are no documented instances of toxicity in felines after exposure or ingestion of this plant.
⚡ Toxic If:
None
Dogs
Non-toxicFrankenia corymbosa is not considered toxic to dogs. There are no reported cases of adverse effects in canines following exposure or ingestion of this plant.
⚡ Toxic If:
None
Humans
Non-toxicFrankenia corymbosa is not known to exhibit toxic properties to humans under normal circumstances. The plant has not been documented to cause adverse physiological effects when handled or ingested.
⚡ Toxic If:
None
Frequently Asked Questions
Q: Is Frankenia corymbosa suitable for coastal gardens?
A: Yes, it is highly salt-tolerant and thrives in coastal environments.
Q: How often should I water this plant?
A: Water sparingly, as it is drought-tolerant and prefers well-drained soil.
Q: Does this plant attract wildlife?
A: Yes, it attracts bees and butterflies with its flowers.
Quick Reference
| Family: | Frankeniaceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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