What to plant this week in Honolulu, HI
With no frost dates to worry about in Honolulu, your week is all about maximizing the tropical summer heat for Malabar Spinach and Okra harvests. The stable 55°F minimum means you can focus entirely on extending your growing season rather than protecting tender crops from cold snaps.
The next 7 days
Honolulu, HIGrowing in Honolulu right now
- Utilize the constant humidity by providing afternoon shade netting to prevent leaf scorch on newly transplanted Malabar Spinach during midday sun.
- Monitor soil moisture closely as Honolulu's volcanic clay retains water well but drains slowly, reducing irrigation frequency for Okra beds compared to sandy soils.
- Take advantage of the year-round warm temps to start seedlings indoors now for a fall harvest that will mature just before the wet season hits in late winter.
Sow this week
No direct sowing windows open this week.
Transplant this week
Nothing is due to go out this week.
Harvest soon
2 crops- Malabar Spinach
- Okra
Seasonal tips
- Mulch heavily around vegetable beds to retain moisture and suppress weeds in this consistently warm climate.
- Practice succession sowing for heat-loving crops like beans or squash to ensure a continuous supply throughout the summer.
- Prune back any leggy okra plants to encourage bushier growth and higher fruit production.
Pest & disease watch
- Spider mites are becoming active on leafy greens due to the recent dry spell and high temperatures, requiring early intervention with water sprays.
- Scale insects may appear on Okra stems as heat stress weakens plant defenses against these sap-sucking pests.
- Watch for fruit flies around ripe Okra pods which can attract secondary infestations if left unharvested.
Watering this week
Water deeply and frequently during the day to keep soil consistently moist but avoid wetting the foliage to prevent disease.
Add a nitrogen-rich fertilizer now to boost leafy growth in your Malabar Spinach before the midday sun intensifies.
Honolulu gardening questions
3When should I stop harvesting Malabar Spinach to prepare for the wet season?
You can continue picking leaves until mid-January when rainfall patterns shift, though some gardeners let a few plants go to seed for self-sowing next year.
How do I manage Okra in Honolulu's humid climate without sacrificing yield?
Space plants 12 inches apart to ensure excellent air circulation and harvest pods promptly at maturity to prevent rotting from the frequent afternoon showers.
What soil amendments work best for my tropical garden beds here?
Mix in coarse sand or perlite if your volcanic soil is heavy, as Okra requires loose, well-draining conditions despite Honolulu's naturally fertile earth.
See the full zone 12b guide → · Plan your Honolulu garden in SproutGuide →