Rainline Garden

When to plant sweet corn in Bend and Redmond, OR

Plant sweet corn from seed, directly in the garden in Bend and Redmond, Jun 16 – Jul 21.

Moderate Plant seeds in the ground

Why these dates

Bend and Redmond's typical last spring frost is June 9. Frost kills sweet corn, so planting starts once frost risk drops, around June 16. Keep row cover or a frost blanket handy for the first couple of weeks, since a late frost is still possible. The season is a little tight here, so an early variety is the safer choice.

High desert and mountains. Central and high eastern Oregon. Frost is possible almost any month. Use row covers, wall-o-water or cloches for warm crops, and choose short-season varieties.

Difficulty
Moderate
Sun
Full sun
Spacing
10 inches apart in a block of short rows
Planting depth
1 inch deep
Frost
Killed by frost
First harvest
About 80 days after planting

Step by step

  1. Prepare the bed: loosen the soil and mix in an inch or two of compost.
  2. Plant seeds Jun 16 – Jul 21, 1 inch deep, 10 inches apart in a block of short rows.
  3. Keep the soil evenly moist until sprouts appear, which can take one to three weeks in cool soil.
  4. Harvest: Ready about three weeks after the silks appear, when the silks are brown and the kernels squirt milky juice.

Varieties that do well here

  • Early Sunglow
  • Bodacious
  • Golden Bantam

Watch out for

Crows pull up sprouting seeds. Cover the bed with netting or row cover until plants are 4 inches tall.

Plant in blocks of at least four short rows, not one long row, for good pollination.

Common questions

When is the last frost in Bend and Redmond, OR?

Typically June 9. In 9 years out of 10, frost is over by June 26. These are 1991–2020 NOAA climate normals for Redmond Roberts Field.

Is it too late to plant sweet corn in Bend and Redmond?

The spring planting window runs through July 21. Later plantings may not have time to produce before the first fall frost, which usually arrives around September 14.

How long until I can harvest sweet corn?

About 80 days after planting. Ready about three weeks after the silks appear, when the silks are brown and the kernels squirt milky juice.

Also plant in Bend and Redmond around the same time

Planting dates for sweet corn in nearby areas

Full planting calendar for Bend and Redmond · Sweet corn in every city