Siletz

Tomato

Zone 1a Save Garden

🌱 65d to harvest Determinate

Sun-warmed and richly aromatic, Siletz tomatoes ripen to a steady, classic red with a smooth, satin skin that feels satisfyingly …

Crop Dates

Milestone	Date
Start Indoors	Apr 27th
Last Frost	Jun 15th
Transplant / Sow Outdoors	Aug 10th
Harvest Begins	Oct 14th
Harvest Ends	Jul 15th

Crop Details

Trait	Value
Days to Maturity	65
Sun Requirements	Full Sun
Growth Habit	Determinate
Support Needed	Cage
Planting Depth	Deep
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	9

Recommended Companions

Italian Large Leaf Basil

Green Ruffles Basil

Champion Moss Curled Parsley

Sweet Dani Lemon Basil Basil

Ingot Carrot

Nantes Half Long Carrot

Frequently Asked Questions

What pest or disease problem is most common on Solanum lycopersicum (tomatoes) and how do I treat it at home?

In tomatoes, early blight (Alternaria) often shows up as dark, concentric rings on older leaves. Remove and discard the infected leaves, improve airflow with wider spacing, and water at the soil line (not the foliage). If new spots keep appearing, spray an appropriate labeled fungicide for tomatoes and reapply according to the label, especially after rainy or humid stretches.

How often should I water Siletz tomatoes during the main growing phase?

During active vegetative growth and fruit set, keep the root zone evenly moist—about 1–2 inches of water per week total, adjusted for rainfall and heat. Water deeply 1–3 times per week rather than frequent light watering, and stop when the soil stays evenly damp but not soggy. If you see cracking or blossom-end rot, it’s usually from inconsistent moisture—switch to a steady schedule.

How can I tell when Siletz tomatoes are ready to harvest?

Harvest when fruits are fully colored for the variety (green to mature color, usually red-orange depending on the cultivar) and give slightly when gently squeezed. They should detach easily from the vine with a light twist; if they resist, they likely need more time. For best flavor, pick in the morning and avoid leaving overripe fruits on the plant.

Sun-warmed and richly aromatic, Siletz tomatoes ripen to a steady, classic red with a smooth, satin skin that feels satisfyingly substantial in the hand. Their flesh is firm yet juicy, with a balanced, true-tomato flavor that shines in thick slices—ideal for showcasing on the plate. Grow Siletz for dependable, midseason harvests (about 65 days) and a slicing tomato you’ll reach for again and again in fresh salads and bold, spoonable sauces.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 9 days first.

Expert Note

Siletz is an early, cool-weather determinant—transplant only once soil is reliably warm (not just past the last frost) and keep consistent moisture to maximize fruit set in cloudy spells.