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Bianco Di Trieste Summer squash Seeds

Scientific name Cucurbita pepo L.

About this variety

Bianco Di Trieste Summer squash seeds produce white summer squash whose size varies with the maintained seed lot and growing conditions, on bush plants. It is best suited to productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable...

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At a glance

The facts most gardeners need first

View the full variety record
20 minimum seeds per packet
Gardener experience

Easy to moderate

Germination difficulty

Easy to moderate

Germination time

7-10 Days at 75–90 °F seed-zone soil temperature

  • Germination
    7-10 Daysa seed-zone soil temperature of 75–90 °F
  • Maturity
    50-59 DaysCounted from warm direct sowing or equivalent established transplant.
  • Sun
    Full sun
  • Support and spacing
    No support needed · space 24 in · rows 36 in
  • Growth habit
    Bush · Annual · 25–30 in tall
  • Best use
    productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving
Secure checkout Details
Generic
Triple-tested seed qualityRegular quality and germination checks support every packet.

We regularly test seed quality and germination as lots move through storage and packing. We stand behind the seed we send and want customers to contact us when a packet does not perform as reasonably expected.

1-year seed warrantyCoverage begins on the date of purchase.

When properly stored, planted, and cared for, we guarantee reasonable germination and true-to-type growth for one year from the date of purchase. Conditions outside our control—including extreme weather, pests, unsuitable storage, and gardener error—are excluded. Contact us when something is not right so we can review the situation and work toward a replacement, refund, or another fair resolution.

Non-GMO / BE seed policyWe do not buy or sell genetically engineered or bioengineered seed.

Every seed variety we sell is non-GMO.

USDA’s National Bioengineered Food Disclosure Standard defines bioengineered foods as containing detectable genetic material modified through in vitro recombinant DNA methods in ways not achievable through conventional breeding or found in nature.

  • Hybrid means parent lines were conventionally crossed; hybrid does not mean GMO.
  • Heirloom and open-pollinated describe how a variety is maintained and reproduced.
  • Organic certification is separate and is shown only when verified for the individual product.
Packed in Colerain, North CarolinaPrepared in our seed room for gardens across the country.

Seeds are packed and shipped from Colerain, North Carolina. Our packets use forestry-certified paper, and we use recyclable paper mailers where appropriate. AONSK is also a 1% for the Planet partner while continuing to reduce waste in packing and fulfillment.

Garden tools

Need a plan for your space?

Use the garden-fit planner and soil calculator to turn the recorded growing facts into a practical plan.

Open garden tools Uses this product’s recorded growing information. Local weather and garden conditions may vary.

Variety field guide

What to expect from Bianco Di Trieste Summer squash Seeds

Bianco Di Trieste Summer squash seeds produce white summer squash whose size varies with the maintained seed lot and growing conditions, on bush plants.

Read the complete product descriptionTraits, flavor, garden use, variety notes, and the full catalog record

Bianco Di Trieste Summer squash seeds produce white summer squash whose size varies with the maintained seed lot and growing conditions, on bush plants. It is best suited to productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production. Bianco Di Trieste is classified as summer squash with white harvest color, selected for young tender harvests, sautéing, grilling, baking, and productive small-space beds.

About Bianco Di Trieste

Bianco Di Trieste is an annual summer squash with white color, 25–30 in mature height or spread, and a bush habit. Harvest form or size: Varies with the maintained seed lot and growing conditions. Botanically it is Cucurbita pepo L. Maturity or first bloom: 50-59 Days; germination: 7-10 Days at 75–90 °F. Best for productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production.

History and provenance

Bianco Di Trieste circulates as a named summer squash within the cultivated history of Cucurbita pepo L. Seed sold as Bianco Di Trieste is identified by its white color, growth form, harvest use, and the documented harvest traits. A complete breeder record, introduction year, family story, or uninterrupted custody chain has not been located for this seed lot. The cultivar identity is tied to observable crop traits that can be checked in a grow-out, not to an unsupported origin story. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production. Bianco di Trieste works well for sautéing, grilling, roasting, stuffing, and other everyday summer-squash dishes. Regular harvesting encourages the plant to continue setting fruit through the productive part of the season. Zucchini Seeds - Bush - Bianco Di Trieste Zucchini belongs to a crop lineage strongly associated with Mesoamerican agriculture and long traditions of seed selection.

Growing facts

Scientific name Cucurbita pepo L.
Life cycle Annual
Maturity / first bloom 50-59 Days
Germination 7-10 Days at 75–90 °F
Seed depth 1 in
Plant height / spread 25–30 in
Growth habit Bush
Spacing 24 in between plants; 36 in between rows
Sunlight Full sun
Soil Loamy; pH 6.0–6.5
Water Moderate
Support No-Support

Starting Bianco Di Trieste from seed

How to grow Bianco Di Trieste Summer squash

Botanical identity: Cucurbita pepo L. Life cycle: Annual.

Sow 1 in and use a seed-zone temperature near 75–90 °F. Expected emergence: 7-10 Days. No stratification; direct sow into warm soil or start briefly in biodegradable cells and transplant young

Plant during Late Spring. Space plants 24 in apart with 36 in between rows or planting bands.

Provide Full sun, moderate water, and loamy near pH 6.0–6.5. Support: No-Support.

Garden performance and care

Give Bianco Di Trieste enough room for its bush growth. Direct irrigation to the soil, keep developing fruit on dry mulch or boards where rot is common, and leave seed-saving fruit on the plant beyond the eating stage. Expected emergence is 7-10 Days; the listed maturity or bloom timing is 50-59 Days.

Harvest, bloom, and uses

Bianco Di Trieste is best for productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Harvest form or size: Varies with the maintained seed lot and growing conditions. Color at the principal harvest or mature stage: White. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production.

Saving seed

Seed saving for Bianco Di Trieste Select several healthy, true-to-type plants so the saved lot represents the variety rather than one unusually early or large individual. Squash and gourds are insect-pollinated and cross readily with other varieties of the same species. Confirm the species identified for this crop, then isolate by distance or controlled hand pollination. Mark seed fruit and let it reach full biological maturity; summer squash must become large and hard, winter squash must develop full rind color, and luffa or hard-shell gourds must mature well beyond the edible stage. Cure sound fruit before extraction when the crop benefits from curing. Remove, wash, and dry seed to a hard, storage-ready condition. Maintain several representative plants and record species, population, isolation, fruit selection, curing, cleaning, and test date.

Common problems

Watch Bianco Di Trieste for cucumber beetles, squash bugs where applicable, aphids, powdery or downy mildew, bacterial wilt, crown rot, poor pollination, and fruit damage on wet soil. Rotate cucurbit crops, provide airflow, water at the root zone, protect young plants before flowering, and remove covers when blossoms need pollinators. Do not work wet vines.

Frequently asked questions

When is Bianco Di Trieste ready?

50-59 Days from warm direct sowing or equivalent established transplant

How long does germination take?

Expect 7-10 Days near 75–90 °F; actual emergence changes with moisture, seed condition, and soil temperature.

How large does it grow?

About 25–30 in with a bush habit. Support: No-Support.

Can it grow in a container?

Suitable for a large container with full sun, dependable drainage, steady water, and room for the mature canopy.

How is it used?

Primary uses: productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production.

Can I save seed?

Yes where the crop biology allows, but keep compatible varieties isolated, use several healthy plants, wait for full seed maturity, dry thoroughly, and label the lot.

Minimum Seed Count:20 seeds

Garden toolsOpen the garden-fit planner, planting-window questions, or soil calculator only when useful

Uses this product’s recorded growing information. Local weather, soil, and garden conditions may vary.

Garden-fit planning for this variety

Will Bianco Di Trieste Summer squash Seeds fit your garden?

Check vine space, warmth, pollination, water, support, and harvest use.

Questions for this vining crop seed
Seed-starting fit and patience
Recorded product profileBeginner to intermediateStraightforward in the recorded warm temperature rangeRead why
Soil test, pH, drainage, and amendment calculator Have a laboratory soil report? Enter pH, nutrients, texture, bed size, and site observations here. Open soil tools
Recorded soil typeLoamy
Recorded pH range6.0–6.5
Water needsModerate
LightFull sun

Soil Readiness

for Cucumber (Cucumis sativus)

Where to get a soil test

Best option: your state’s Cooperative Extension soil testing lab.

Tip: Arid or alkaline regions often use Olsen for phosphorus interpretation.
Adjusts P ppm target and interpretation.
Target 6.2-7.0
Ideal 4-8%
Target 30-60 ppm (Mehlich-3)
Target 150-250 ppm
Ok ≥ 1000 ppm
Ok ≥ 120 ppm
Used for pH adjustment size
For shopping list amounts
Interprets P by extractant, assumes ppm. Results are approximate.
Enter at least one value above, then Calculate.

Full growing record

Complete growing and seedkeeping record

Starting and plantingSeed preparation, sowing, germination, transplanting, spacing, and early establishment
How to grow Bianco Di Trieste Summer squash

Botanical identity: Cucurbita pepo L. Life cycle: Annual.

Sow 1 in and use a seed-zone temperature near 75–90 °F. Expected emergence: 7-10 Days. No stratification; direct sow into warm soil or start briefly in biodegradable cells and transplant young

Plant during Late Spring. Space plants 24 in apart with 36 in between rows or planting bands.

Provide Full sun, moderate water, and loamy near pH 6.0–6.5. Support: No-Support.
Season-long growing guideWater, fertility, support, weather response, pollination, containers, and care through maturity
How to grow Bianco Di Trieste Summer squash

Botanical identity: Cucurbita pepo L. Life cycle: Annual.

Sow 1 in and use a seed-zone temperature near 75–90 °F. Expected emergence: 7-10 Days. No stratification; direct sow into warm soil or start briefly in biodegradable cells and transplant young

Plant during Late Spring. Space plants 24 in apart with 36 in between rows or planting bands.

Provide Full sun, moderate water, and loamy near pH 6.0–6.5. Support: No-Support.
Harvest, storage, and usesRecognizing maturity, harvesting cleanly, handling and storage, kitchen uses, and garden roles

Harvest and storage

Harvest and use - Bianco Di Trieste. 50-59 Days. Principal harvest form or size: Varies with the maintained seed lot and growing conditions; color at the main harvest or mature stage: White. Best for productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production. For seed saving, allow selected fruit, pods, ears, or seed heads to reach full biological maturity rather than using the normal eating or cutting stage. Seed saving for Bianco Di Trieste Select several healthy, true-to-type plants so the saved lot represents the variety rather than one unusually early or large individual.

Uses and garden roles

Bianco Di Trieste is best for productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Harvest form or size: Varies with the maintained seed lot and growing conditions. Color at the principal harvest or mature stage: White. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production.
Seed savingSelection, pollination, isolation, full maturity, cleaning, drying, labeling, and storage
Seed saving for Bianco Di Trieste Select several healthy, true-to-type plants so the saved lot represents the variety rather than one unusually early or large individual. Squash and gourds are insect-pollinated and cross readily with other varieties of the same species. Confirm the species identified for this crop, then isolate by distance or controlled hand pollination. Mark seed fruit and let it reach full biological maturity; summer squash must become large and hard, winter squash must develop full rind color, and luffa or hard-shell gourds must mature well beyond the edible stage. Cure sound fruit before extraction when the crop benefits from curing. Remove, wash, and dry seed to a hard, storage-ready condition. Maintain several representative plants and record species, population, isolation, fruit selection, curing, cleaning, and test date.
Pests, diseases, and troubleshootingPrevention, diagnosis, environmental disorders, common damage, and first-response checks
Watch Bianco Di Trieste for cucumber beetles, squash bugs where applicable, aphids, powdery or downy mildew, bacterial wilt, crown rot, poor pollination, and fruit damage on wet soil. Rotate cucurbit crops, provide airflow, water at the root zone, protect young plants before flowering, and remove covers when blossoms need pollinators. Do not work wet vines.
Frequently asked questionsDecision-focused answers that supplement the detailed guides above
Frequently Asked Questions - Bianco Di Trieste

When is Bianco Di Trieste ready?
50-59 Days from warm direct sowing or equivalent established transplant

How long does germination take?
Expect 7-10 Days near 75–90 °F; actual emergence changes with moisture, seed condition, and soil temperature.

How large does it grow?
About 25–30 in with a bush habit. Support: No-Support.

Can it grow in a container?
Suitable for a large container with full sun, dependable drainage, steady water, and room for the mature canopy.

How is it used?
Primary uses: productive warm-season beds, trellises or sprawling vines, kitchen use, and seed saving. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production.

Can I save seed?
Yes where the crop biology allows, but keep compatible varieties isolated, use several healthy plants, wait for full seed maturity, dry thoroughly, and label the lot.
History and provenanceBotanical identity, cultivar history, regional or cultural context, uncertainty, and source records

Scientific name: Cucurbita pepo L.

Common name: Summer squash

Cultivar or variety: Bianco Di Trieste

Bianco Di Trieste circulates as a named summer squash within the cultivated history of Cucurbita pepo L. Seed sold as Bianco Di Trieste is identified by its white color, growth form, harvest use, and the documented harvest traits. A complete breeder record, introduction year, family story, or uninterrupted custody chain has not been located for this seed lot. The cultivar identity is tied to observable crop traits that can be checked in a grow-out, not to an unsupported origin story. Bianco di Trieste is a classic Italian bush zucchini valued for tender texture, mild flavor, and dependable summer production. Bianco di Trieste works well for sautéing, grilling, roasting, stuffing, and other everyday summer-squash dishes. Regular harvesting encourages the plant to continue setting fruit through the productive part of the season. Zucchini Seeds - Bush - Bianco Di Trieste Zucchini belongs to a crop lineage strongly associated with Mesoamerican agriculture and long traditions of seed selection.

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Customer experience

Reviews for Bianco Di Trieste Summer squash Seeds

Customer Reviews

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Tiffani Richard (United States)

Great germination rate. Plants are healthy and growing well.