Acorn SquashCucurbita pepo

Acorn Squash

Acorn Squashes

1. Squash

1. Acorn Squash

1. Acorn Squash
2. Squash
3. Cucurbita pepo

1. Tracheophytes
2. Angiosperms
3. Eudicots
4. Rosids

Gourd family

1. cucurbita-maxima
2. cucurbita-moschata
3. cucurbita-argyrosperma

1. Fruit

1. TaskSow seeds indoors

   Label

   Start squash seeds indoors

   Priorityhigh

   Months

   1. 3

   ConditionStart of month

   Estimated effortlow

   Notes

   Sow 2-3 seeds per pot.

1. TaskPrick out seedlings

   Label

   Prick out or transplant seedlings

   Prioritymedium

   Months

   1. 4

   ConditionSeedlings have developed true leaves

   Estimated effortlow

   Notes

   If necessary, transplant into larger pots.

1. TaskPlant out seedlings

   Label

   Transplant seedlings outdoors

   Priorityhigh

   Months

   1. 5

   ConditionAfter last frost, soil temperature above 12°C

   Estimated effortmedium

   Notes

   Ensure adequate spacing between plants.

1. TaskDirect sow outdoors

   Label

   Direct sow squash seeds outdoors

   Priorityhigh

   Months

   1. 6

   ConditionSoil temperature above 15°C, no frost risk

   Estimated effortlow

   Notes

   Only if indoor sowing was not possible or for a later harvest.

2. TaskWatering

   Label

   Water regularly

   Priorityhigh

   Months

   1. 6

   ConditionDry periods

   Estimated effortmedium

   Notes

   Especially important during fruit development.

1. TaskFertilize

   Label

   Fertilize squash plants

   Prioritymedium

   Months

   1. 7

   ConditionDuring active growth and fruit set

   Estimated effortlow

   Notes

   Organic fertilizer or compost is beneficial.

1. TaskPest and disease control

   Label

   Monitor for pests and diseases

   Priorityhigh

   Months

   1. 8

   ConditionRegularly

   Estimated effortlow

   Notes

   Pay special attention to aphids and powdery mildew.

1. TaskHarvest

   Label

   Harvest first squashes

   Priorityhigh

   Months

   1. 9

   ConditionFruits are mature (rind is hard)

   Estimated effortlow

   Notes

   Harvest before the first frost.

1. TaskHarvest

   Label

   Main harvest period

   Priorityhigh

   Months

   1. 10

   ConditionBefore first hard frost

   Estimated effortmedium

   Notes

   Allow fruits to dry well before storing.

1. TaskHarvest and store

   Label

   Final harvest and storage

   Priorityhigh

   Months

   1. 11

   ConditionBefore severe frost

   Estimated effortlow

   Notes

   Store in a cool, dry place.

Sunny to partial shade

Sheltered from wind

Prefers a warm, sunny location protected from strong winds.

Humus-rich, fertile, loose, and well-draining

Soil improvement with compost or well-rotted manure before planting is recommended.

Regularly, especially during dry periods

As needed, keep soil moist

Avoid waterlogging at all costs. It's best to water in the morning or evening.

Heavy feeder, requires abundant nutrients

Provide compost or organic fertilizer before planting, and top-dress during the growth and fruiting phases.

Good nutrient supply promotes vigorous growth and high yields.

Requires ample space. Do not plant in close proximity to other heavy feeders.

Acorn squash are heavy feeders and should not follow other heavy feeders such as tomatoes, potatoes, or brassicas. A crop rotation break of 3-4 years on the same plot is ideal.

1. Do not plant after heavy feeders
2. Ideally plant after legumes or green manure
3. Observe a minimum 3-year break

1. Sucking insects
2. Beetles
3. Aphids

1. Fungal diseases
2. Bacterial diseases
3. Virus-transmitted diseases

1. Promote healthy soil through compost and mulch
2. Maintain adequate plant spacing
3. Regularly monitor for pests and diseases
4. Observe crop rotation
5. Choose resistant varieties
6. Encourage beneficial insects

In case of unclear symptoms, first check for nutrient deficiency, pests, or diseases. Inspect leaves and fruits carefully. In case of suspected diseases, remove and dispose of infected plant parts.

1. Slugpowdery-mildew

   Severitymedium

   Conditions

   1. Warm days (20-30°C)
   2. Mild nights
   3. High humidity
   4. Drought stress

   Affected parts

   1. Leaves

   Prevention

   1. Maintain adequate plant spacing
   2. Water regularly, avoid waterlogging
   3. Apply plant strengtheners such as horsetail brew
   4. Choose resistant varieties

   Organic control

   1. Remove infected leaves
   2. Apply plant strengtheners such as insecticidal soap or baking soda solution
   3. Use sulfur preparations (in case of infestation)
2. Slugdowny-mildew

   Severityhigh

   Conditions

   1. Cool temperatures (10-20°C)
   2. High humidity
   3. Rain or dew formation
   4. Dense plantings

   Affected parts

   1. Leaves

   Prevention

   1. Maintain adequate plant spacing
   2. Keep leaves dry (avoid overhead watering)
   3. Choose resistant varieties
   4. Observe crop rotation

   Organic control

   1. Remove infected leaves immediately
   2. Apply plant strengtheners such as horsetail brew or copper preparations
3. Slugbacterial-wilt

   Severityhigh

   Conditions

   1. Warm and humid
   2. Presence of cucumber beetles
   3. Plant injuries

   Affected parts

   1. Entire plant

   Prevention

   1. Monitor and control cucumber beetles
   2. Avoid plant injuries
   3. Observe crop rotation

   Organic control

   1. Remove and dispose of infected plants immediately
   2. Apply plant strengtheners such as garlic extract

1. Symptom

   White powdery coatings on leaves

   Possible causes

   1. powdery-mildew

   First checks

   1. Check leaves for powdery coatings
   2. Review temperature and humidity of the past days
2. Symptom

   Yellowish spots on leaf surfaces, grayish-brown fungal growth on leaf undersides

   Possible causes

   1. downy-mildew

   First checks

   1. Check leaves for spots and fungal growth
   2. Review weather conditions of the past days (rain, dew formation)
3. Symptom

   Sudden wilting of leaves and stems

   Possible causes

   1. bacterial-wilt
   2. water-stress

   First checks

   1. Cut stems: sticky sap indicates bacterial wilt
   2. Check soil moisture
4. Symptom

   Light green to yellow leaves, growth inhibition

   Possible causes

   1. nitrogen-deficiency
   2. iron-deficiency

   First checks

   1. Check soil pH (too acidic or too alkaline)
   2. Leaf analysis for nutrient deficiency
5. Symptom

   Yellow to brown leaf margins, leaf curling

   Possible causes

   1. potassium-deficiency

   First checks

   1. Check soil pH
   2. Review fertilization log of the past weeks
6. Symptom

   Aphids on leaves and stems

   Possible causes

   1. aphids

   First checks

   1. Check leaf undersides and shoot tips for colonies
   2. Look for beneficial insects such as ladybugs
7. Symptom

   Holes in leaves, feeding marks

   Possible causes

   1. cucumber-beetle
   2. squash-bug

   First checks

   1. Check leaves for beetles and larvae
   2. Set up yellow sticky traps and monitor
8. Symptom

   Cracked fruits

   Possible causes

   1. water-stress
   2. calcium-deficiency

   First checks

   1. Review watering log (uneven water supply)
   2. Check soil pH and calcium content

1. Sowing
2. Germination
3. Plant development
4. Flowering
5. Fruit set
6. Fruit ripening
7. Harvest
8. Storage

Acorn squash go through a rapid vegetative phase followed by a longer fruit development phase. Time to maturity ranges from 80-120 days from sowing, depending on variety and location.

Once or in multiple passes, depending on fruit maturity.

1. Rind is hard and glossy
2. Stem is woody and brown
3. Fruit color is typical for the variety
4. Leaves begin to wilt

Harvest fruits carefully with the stem to avoid damage. Do not wash; allow to dry in a shaded, dry location.

Store in a cool, dry place

3-6 months under optimal conditions

1. Fresh consumption
2. Freezing
3. Drying
4. Fermenting

1. Soups
2. Stews
3. Baked dishes
4. Purees
5. Stuffed squash

Acorn squash are ideal for savory dishes. The skin is edible when young and tender; mature fruits are usually peeled.

1. Flesh
2. Seeds (roasted)

1. Leaves
2. Stems
3. Rind (in immature fruits)

Acorn squash are non-toxic and suitable for human consumption. Raw squash may be difficult to digest.

Not recommended; better to cook or bake before consumption.

Select fully ripe fruits, remove flesh, wash seeds, and dry thoroughly. Use seeds only from healthy, true-to-type fruits.

3-5 years when stored dry, cool, and in the dark

70-90% for fresh seeds

Do not grow near other squash varieties to prevent cross-pollination.

1. Acorn Squash
2. Squash

Acorn squash are annual, herbaceous plants and do not require woody pruning measures. Cultivation is done outdoors or under protection (greenhouse, polytunnel).

Acorn squash provides food and habitat for various insects and birds.