When to plant sweet corn in Mortlake
- Sow in the ground: mid Dec to early JanMortlake area, temperate oceanic
Worked out from 30 years of climate records for Mortlake. Microclimates vary: frost hollows and hills run later.
A summer crop that needs warm soil, full sun and plenty of water. Plant in blocks of at least 4 by 4 rather than one long row, because corn is wind-pollinated and patchy pollination gives gappy cobs. Pick cobs when the silks turn brown and the kernels squirt milky juice.