2. Citrus become sweeter and juicier after a frost, which is why home-grown Canberra-region oranges taste sweeter than the ones grown in Queensland. Just now we have ripe early oranges, with medium and late cropping oranges to come; seed-filled mandarins; cumquats, calamondin, Eureka lemons, citrons, tangelos, Tahitian limes, and green and red finger limes. The secret with citrus is to give them well drained soil – dig the hole, fill with water, and if it hasn’t drained away in three minutes, consider building a small hill in the backyard for citrus.
