Caserta

Zucchini

Zone 4b Save Garden

🌱 45d to harvest Vine

Tender and luminous when young, Caserta zucchini offers a sweet, garden-fresh flavor with a crisp, lightly creamy bite and a smoo…

Crop Dates

Milestone	Date
Start Indoors	May 27th
Last Frost	May 13th
Transplant / Sow Outdoors	Jun 10th
Harvest Begins	Jul 25th
Harvest Ends	Sep 27th

Crop Details

Trait	Value
Days to Maturity	45
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	10

Recommended Companions

Stowell's Evergreen Corn

Frequently Asked Questions

What pest or disease most often affects Cucurbita pepo (zucchini/Caserta), and how can I stop it?

Powdery mildew is the most common problem on Cucurbita pepo, showing up as a white, dusty coating on leaves in warm, humid spells. At the first spots, remove heavily affected leaves, improve airflow by spacing plants properly, and water at the soil line instead of wetting foliage. If it keeps spreading, use a labeled fungicide for cucurbits and reapply according to the label during the periods mildew is active.

How often should I water Caserta zucchini during its main growing phase?

During the main fruiting period (about weeks 3–6 after planting), keep soil consistently moist but not soggy—aim for about 1–1.5 inches (2.5–4 cm) of water per week depending on heat and rainfall. Water deeply 1–2 times per week rather than frequent light sprinkling, and check that the top few inches of soil dry slightly between waterings. Avoid letting plants swing between dry and wet, which can reduce growth and lead to bitter or misshapen squash.

How do I tell when Caserta zucchini is ready to harvest?

Harvest Cucurbita pepo when fruits are firm and reach the typical zucchini size for Caserta, usually around 6–8 inches (15–20 cm) long and still tender enough to puncture lightly with a fingernail. Pick frequently—about every 2–3 days during peak production—because leaving fruit to mature on the plant slows new flower and fruit set. If fruits start to look oversized, hard, or the skin becomes difficult to pierce, they’re past prime for eating.

Tender and luminous when young, Caserta zucchini offers a sweet, garden-fresh flavor with a crisp, lightly creamy bite and a smooth, dark-green skin that stays attractive at harvest. Its straight, uniform fruits are ideal for quick roasting and grilling, and they also shine in fresh preparations where their delicate texture and mild savoriness are front and center. Grow Caserta for reliable early performance and a steady stream of fruits that invite you to enjoy zucchini at its most vibrant stage.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°F and nights stay above 55°F before moving outdoors. Harden off for 10 days first.

Direct Sow Preferred

Sensitive roots — does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.

Expert Note

Start seeds only if you can keep roots undisturbed—zucchini transplants hate cold; wait for consistently warm nights before setting out.