Light
Full sun / direct • approx. 40,000–80,000 lux
Rutaceae
Citrus japonica 'Kumquat'
VAT included · plus
Quick overview of our standard shipping rates, free-shipping thresholds and typical transit times for the countries we currently serve. Remote-area surcharges for certain postcodes are added automatically at checkout where applicable.
For full details, winter shipping rules and packaging information, please visit our Shipping & Delivery page.
| Country | Shipping | Free from | Transit time |
|---|---|---|---|
| Austria | € 12.95 | € 100 | 2–4 working days |
| Belgium | € 8.95 | € 100 | 1–2 working days |
| Bulgaria | € 21.95 | € 300 | 5–7 working days |
| Croatia | € 29.95 | € 300 | 5–7 working days |
| Cyprus (²) | € 39.95 | No free shipping | 5–7 working days |
| Czechia | € 16.95 | € 150 | 2–4 working days |
| Denmark (¹) | € 16.95 | € 150 | 2–4 working days |
| Estonia | € 18.95 | € 200 | 2–4 working days |
| Finland | € 29.95 | € 300 | 5–7 working days |
| France (¹) | € 12.95 | € 100 | 2–4 working days |
| Germany | € 8.95 | € 70 | 1–2 working days |
| Greece (¹²) | € 29.95 | € 300 | 5–7 working days |
| Hungary | € 18.95 | € 200 | 2–4 working days |
| Ireland | € 14.95 | € 150 | 2–4 working days |
| Italy (¹) | € 14.95 | € 150 | 2–4 working days |
| Latvia | € 18.95 | € 200 | 5–7 working days |
| Lithuania | € 18.95 | € 200 | 2–4 working days |
| Luxembourg | € 12.95 | € 100 | 1–2 working days |
| Malta (²) | € 39.95 | No free shipping | 5–7 working days |
| Netherlands | € 8.95 | € 100 | 1–2 working days |
| Poland | € 12.95 | € 100 | 2–4 working days |
| Portugal (¹) | € 14.95 | € 150 | 2–4 working days |
| Romania | € 21.95 | € 300 | 5–7 working days |
| Slovakia | € 18.95 | € 200 | 5–7 working days |
| Slovenia | € 18.95 | € 200 | 5–7 working days |
| Spain (¹) | € 14.95 | € 125 | 2–4 working days |
| Sweden | € 18.95 | € 200 | 2–4 working days |
| Switzerland | € 29.95 | € 300 | 5–7 working days |
Notes
- ¹ Island / remote-area surcharge: added automatically at checkout for affected postcodes, including Sicily, Sardinia, Corsica, Faroe Islands, Azores, Madeira, Balearic Islands, and selected Greek island postcodes. Canary Islands: we currently do not ship there.
- ² Cyprus, Greece & Malta: delivery is possible, but courier reliability can vary; arrival times and plant condition cannot be guaranteed. Our 28-day guarantee does not apply to plants shipped to these destinations due to unpredictable transit times.
- Curated selection:
Every plant is hand‑picked for health and visual appeal, so you receive a strong, well‑established plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal – your plant will still match in type and quality.
- Size details:
Listed sizes refer to pot diameter (cm) and approximate overall height (cm) from the base of the pot to the tallest leaf or stem.
- “Get What You See” items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
One‑off photos are only provided when this is explicitly mentioned in the size section. - For special traits or small quirks, please check the full product description.
Secure shipping – carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee – if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns – simple, cost-free returns according to our policy.
For full details, please see:
Citrus japonica 'Kumquat'
Quick Care Guide
Potting mix
Airy • Fast-draining • Mineral-leaning • Fine-medium
Temperature
Ideal: 15–25 °C • Avoid below: 7 °C
Growth habit
evergreen fruit shrub
Support
none
Growth speed
Average
Toxicity & safety
Toxic
Origin & habitat
SE. China to Hainan; subtropical biome
How to read these metrics
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
- Light: level + approximate lux at leaf level; DLI is the daily light “dose” for grow lights.
- Watering: “% dry” is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage • moisture buffer • base • particle size).
- Temperature: “Ideal” comfort range; “Avoid below” marks higher stress risk.
- Humidity: target bands (Normal/Moist/Humid); consistency usually matters most.
- Growth habit: growth form (rosette, trailing, climbing) for placement and training.
- Support: needed/optional/none — whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditions—expectations, not a promise.
- Max size indoors: realistic long-term potential; format differs for climbers vs. trailers.
- Toxicity & safety: chemical irritants/toxicity and physical hazards (spines, bristles).
- Origin & habitat: native region + typical biome/habitat as context.
Citrus japonica 'Kumquat' – Mini Citrus Tree for Indoors
Citrus japonica 'Kumquat' is a compact citrus species appreciated for its decorative value and edible golden-orange fruits. Unlike other citrus fruits, kumquats are eaten whole – the sweet peel contrasts with the tangy flesh, making it a prized choice for indoor growers and culinary enthusiasts alike.
Citrus japonica: Shape, Size, and Fruiting Traits
- Plant Form: Small tree or shrub, 2 – 2.5 m tall with dense, glossy green foliage.
- Fruit Features: Oval fruits 2 – 4 cm in diameter, sweet rind with tart pulp.
- Flowering Habit: White, fragrant blooms several times a year under the right conditions.
- Cold Tolerance: Hardy down to around -5 °C, but should be protected or brought indoors during frost.
Natural Origin and Growth Patterns of Citrus japonica
This species is native to eastern Asia, particularly southern China, where it grows in warm, humid conditions. First described by Carl Peter Thunberg in 1780, Citrus japonica has adapted well to pot cultivation and slow but consistent fruiting under indoor conditions with good light.
Indoor Cultivation: How to Grow Citrus japonica 'Kumquat'
- Lighting Needs: Requires 6 – 8 hours of direct sunlight daily; supplement with grow lights in low-light seasons.
- Placement: Bright, sheltered spot near a sunny window or on a balcony in warm months.
- Watering: Water deeply, allowing top 15-20% of soil to dry out between waterings.
- Humidity Range: Thrives at 50 – 60% humidity – add a tray or humidifier during heating season.
- Ideal Temperature: Grows best between 18 – 29 °C; protect from sudden drops below 10 °C.
- Soil Requirements: Slightly acidic, fast-draining mix of citrus soil, sand, and perlite.
- Feeding Routine: Use citrus-specific fertilizer every 4 – 6 weeks during spring and summer.
- Potting and Repotting: Repot every 2 – 3 years or when roots outgrow the container.
- Propagation: Best propagated by grafting for fruit reliability; cuttings require patience and warmth.
- Semi-Hydro Suitability: Can adapt to semi-hydro setups with citrus-friendly nutrients and stable moisture.
- Pruning Tips: Shape lightly after harvest; remove dead or leggy branches to maintain compact form.
- Outdoor Time: Move outdoors in summer to encourage flowering and fruiting, if temperatures allow.
Citrus japonica Troubleshooting: Common Indoor Issues
- Pest Watch: Check for aphids, scale insects, and spider mites – treat with neem-based products as needed.
- Leaf Yellowing: Often due to overwatering or iron deficiency in alkaline soil.
- Root Rot Risk: Prevent with excellent drainage and avoid letting the pot sit in water.
- Browning Leaf Tips: A sign of low humidity or irregular watering – adjust conditions gradually.
- Fungal Spots: Avoid splashing leaves; improve airflow around the plant base.
Best Practices for Happy Kumquat Trees
- Clean leaves gently to remove dust and maintain photosynthesis.
- Support branches when fruits develop to prevent snapping under weight.
- Rotate your plant every few weeks to ensure even light exposure and balanced growth.
Etymology and Classification of Citrus japonica
The species name japonica refers to early misclassification linking the plant to Japan. In botanical terms, it belongs to the Rutaceae family and has been placed in the Fortunella group in some systems. The common name “kumquat” derives from Cantonese, meaning “golden orange.”
FAQs about Citrus japonica 'Kumquat'
Plant Care Basics:
- Care basics – Main hub with links to all houseplant care guides.
- After delivery & first week – Unpacking, first placement, and early recovery.
- Light – How much light houseplants really need indoors.
- Watering – When to water and how to avoid root rot.
- Substrates & roots – Potting mixes and drainage for strong root systems.
- Humidity – When humidity matters and what actually helps.
- Fertilizing – Simple feeding routine without burning roots.
- Problems & pests – Yellow leaves, brown tips, bugs, and fixes that work.
- Semi-hydro – How to run low-maintenance mineral substrates.
Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.
Please head to our FAQ Page or Contact us.
Citrus japonica 'Kumquat'
Sale price€67,75
Choose options
Citrus japonica 'Kumquat'
Sale price€67,75
Rutaceae
VAT included · plus Shipping costs
- Curated selection:
Every plant is hand‑picked for health and visual appeal, so you receive a strong, well‑established plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal – your plant will still match in type and quality.
- Size details:
Listed sizes refer to pot diameter (cm) and approximate overall height (cm) from the base of the pot to the tallest leaf or stem.
- “Get What You See” items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
One‑off photos are only provided when this is explicitly mentioned in the size section. - For special traits or small quirks, please check the full product description.
Secure shipping – carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee – if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns – simple, cost-free returns according to our policy.
For full details, please see:
Citrus japonica 'Kumquat'
Quick Care Guide
Light
Full sun / direct • approx. 40,000–80,000 lux
Potting mix
Airy • Fast-draining • Mineral-leaning • Fine-medium
Temperature
Ideal: 15–25 °C • Avoid below: 7 °C
Growth habit
evergreen fruit shrub
Support
none
Growth speed
Average
Toxicity & safety
Toxic
Origin & habitat
SE. China to Hainan; subtropical biome
How to read these metrics
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
- Light: level + approximate lux at leaf level; DLI is the daily light “dose” for grow lights.
- Watering: “% dry” is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage • moisture buffer • base • particle size).
- Temperature: “Ideal” comfort range; “Avoid below” marks higher stress risk.
- Humidity: target bands (Normal/Moist/Humid); consistency usually matters most.
- Growth habit: growth form (rosette, trailing, climbing) for placement and training.
- Support: needed/optional/none — whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditions—expectations, not a promise.
- Max size indoors: realistic long-term potential; format differs for climbers vs. trailers.
- Toxicity & safety: chemical irritants/toxicity and physical hazards (spines, bristles).
- Origin & habitat: native region + typical biome/habitat as context.
