Cumquats are a delightful citrus fruit that can thrive in Canberra's cool climate with the right care. These small, tart fruits are perfect for marmalades, liqueurs, and even eaten whole. Here’s a comprehensive guide to growing and using cumquats in the capital.
Choosing the Right Variety
For Canberra, choose cold-hardy varieties like Nagami or Marumi. These can withstand frosts better than other citrus. Plant in a sunny, sheltered spot with well-drained soil.
Planting Tips
- Plant in spring after the last frost.
- Dig a hole twice the width of the root ball.
- Add compost and slow-release citrus fertilizer.
- Water deeply after planting.
Care and Maintenance
Cumquats need regular watering, especially during dry spells. Mulch around the base to retain moisture and suppress weeds. Fertilize in spring and summer with a citrus-specific fertilizer.
Pruning
Prune in late winter to remove dead or crossing branches. This encourages airflow and fruit production. Cumquats can be grown in pots if you have limited space.
Harvesting
Fruits ripen in winter and can be left on the tree for months. They are ready when fully orange and slightly soft. Use secateurs to avoid damaging branches.
What to Do With Cumquats
Cumquats are versatile. Here are some popular uses:
- Cumquat Marmalade: Slice cumquats thinly, remove seeds, and boil with sugar and water until set. Perfect on toast.
- Candied Cumquats: Simmer slices in sugar syrup, then dry. Great for desserts.
- Cumquat Liqueur: Steep sliced cumquats in vodka with sugar for 4-6 weeks. Strain and enjoy.
- Fresh Eating: Eat whole (skin and all) for a burst of sweet-tart flavor.
Storage
Fresh cumquats keep for weeks in the fridge. You can also freeze them whole or as puree.
Common Problems
Cumquats may face pests like aphids or scale. Use horticultural oil or insecticidal soap. Ensure good air circulation to prevent fungal diseases.
With patience and care, you can enjoy homegrown cumquats in Canberra. Their bright flavor adds a touch of sunshine to winter days.



