Sea Daisy
asteriscus aquaticus
Also known as: ["Sea Star","Water Daisy"]
Overview
A low-growing perennial herb native to the Mediterranean region, known for its daisy-like flowers and tolerance to coastal conditions.
Benefits & Perks
["long-flowering","drought tolerant","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Asteriscus |
| Botanical Name: | Asteriscus aquaticus |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: rock gardens, coastal areas, or sunny borders
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–35°C"}
- Hardiness: {"zones":"9–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, sandy loam with added organic matter; cactus or succulent potting mix is ideal.
Maintenance Level
- Maintenance Level: low
- Toughness Level: high
- Pruning Frequency: Light pruning every 4–6 weeks during growing season; major pruning in early spring before new growth begins.
- Pruning Intensity: Moderate; remove up to one-third of the plant’s growth if overgrown, but avoid excessive cutting.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; can tolerate full sun in cooler climates but requires partial shade in hot regions to prevent scorching.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; provide shade during peak afternoon hours in hot climates; move indoor plants to a south-facing window with filtered light.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun
Rotate plant weekly for even growth; use sheer curtains to filter direct sun; avoid placing in drafty areas.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently to encourage deep root growth; ensure soil dries slightly between waterings; avoid overwatering to prevent root rot.
Soil
well-draining, sandy loam with some organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure pots have drainage holes; avoid heavy clay soils; test soil pH periodically.
Temperature
Prefers moderate temperatures between 60–75°F (15–24°C); can tolerate cooler temperatures down to 50°F (10°C) but avoid prolonged exposure below 40°F (4°C).
Avoid sudden temperature fluctuations; maintain consistent indoor temperatures; protect from cold drafts and direct heat sources.
Fertilizing
every 4–6 weeks during growing season, none in winter
Apply fertilizer to moist soil to prevent root burn; flush soil occasionally to prevent salt buildup; reduce frequency in dormant periods.
Propagation
Methods
Stem cuttings are the most reliable method; can also be propagated by division in early spring.
Step-by-Step Propagation Guide
- Take 4–6 inch cuttings.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in moist medium.
- Maintain humidity with a plastic cover.
Best Time: Early spring or late summer when the plant is actively growing but not under stress.
Environment
High humidity (70–80%), warm temperatures (65–75°F), and indirect light.
Medium
Well-draining mix of perlite and peat moss or cactus potting mix.
Hormone
Rooting hormone is recommended to speed up root development.
Timeline
Roots typically develop in 3–4 weeks; new growth may appear in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, plastic wrap or propagator, misting bottle.
Quick Tips
Use healthy, non-flowering stems; keep medium consistently moist but not waterlogged; provide bottom heat if possible.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips for bushier growth; cut stems just above a leaf node or lateral branch; remove dead or yellowing leaves.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or diseased parts; focus on removing spent flowers to promote reblooming.
Tools
Sharp pruning shears, sterilized scissors, gloves.
Checklist
Sterilize tools; prune during dry conditions; remove dead/diseased parts; shape evenly; clean up debris.
Repotting Guide
Best Season
Early spring before active growth begins; avoid repotting during flowering or dormancy.
Pot Size
Increase pot size by 1–2 inches in diameter; ensure good drainage holes.
Method
Remove plant gently; trim any circling roots; place in a new pot with fresh soil; water lightly after repotting.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for rejuvenating soil and providing fresh nutrients.
Checklist
Choose appropriate pot size; prepare fresh soil mix; handle roots carefully; water after repotting; place in shaded area for recovery.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water deeply at the base; ensure proper drainage; adjust frequency seasonally.
How to Apply Water Properly
Water directly at the root zone until water drains from the bottom; ensure even moisture distribution without saturating the soil; water in the morning to allow foliage to dry.
Watering Schedule Tips
Water deeply once every 7–10 days during active growth in spring and summer; reduce frequency to every 2–3 weeks in fall and winter. Adjust based on rainfall and soil moisture retention.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; use mulch to retain moisture and suppress weeds.
Temperature Stress Management
Signs of Temperature Issues
Chlorosis (yellowing leaves) in excessive heat; leaf drop or stunted growth in cold stress; wilting despite adequate watering.
Cold Stress
Low temperatures slow metabolic processes, leading to reduced growth and potential tissue damage if frost occurs.
Solution: Move potted plants indoors or to a sheltered location; use frost cloth for outdoor plants; ensure good air circulation to prevent cold dampness.
Hot Stress
Excessive heat can cause leaf scorch, wilting, and reduced flowering due to water stress and metabolic disruption.
Solution: Provide shade during peak heat; increase watering frequency; use mulch to retain soil moisture; improve air circulation.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during active growth; avoid over-fertilization; stop in winter.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during spring and summer; avoid fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicAsteriscus aquaticus is not known to be toxic to cats. There are no documented cases of adverse effects following ingestion by felines.
⚡ Toxic If:
if eaten
Dogs
Non-toxicAsteriscus aquaticus is not known to be toxic to dogs. There are no documented cases of adverse effects following ingestion by canines.
⚡ Toxic If:
if eaten
Humans
Non-toxicAsteriscus aquaticus is not known to exhibit toxic properties to humans. It is generally considered safe for consumption in moderate quantities.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Asteriscus aquaticus suitable for coastal gardens?
A: Yes, it is highly tolerant of coastal conditions and salt spray.
Q: How often should I water Asteriscus aquaticus?
A: Water sparingly, as it is drought-tolerant and prefers well-drained soil.
Q: Does Asteriscus aquaticus attract pollinators?
A: Yes, its flowers attract bees, butterflies, and other pollinators.
Quick Reference
| Family: | Asteraceae |
| Care: | easy |
| Light: | full sun |
| Water: | every 7–10 days during activ |
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