Amethyst Jewel

Family: Solanaceae Nightshade

Planting Schedule

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Bursting with a jewel-toned blush, Amethyst Jewel cherry tomatoes ripen to a rich amethyst-purple overlaid with warm amber-gold highlights, offering a sweet, tangy snap and a juicy, tender bite.

The fruits are small and glossy with a firm, salad-crisp texture that shines on the vine and delivers intense flavor in fresh salads, snacking, and quick roasting for caramelized sweetness. Expect prolific clusters and dependable 60-day performance for a garden-to-plate harvest of color and zing.

Light: Full SunMaturity: 60 DaysHabit: Indeterminate

Botanical illustration of Amethyst Jewel

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Amethyst Jewel Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Apr 13th	Jul 27th	Sep 25th – Aug 1st
Zone 2a	Apr 6th	Jul 20th	Sep 18th – Aug 29th
Zone 2b	Mar 27th	Jul 10th	Sep 8th – Aug 25th
Zone 3a	Mar 27th	Jul 10th	Sep 8th – Sep 1st
Zone 3b	Mar 31st	Jul 14th	Sep 12th – Sep 21st
Zone 4a	Mar 27th	Jul 10th	Sep 8th – Sep 24th
Zone 4b	Mar 25th	Jul 8th	Sep 6th – Sep 27th
Zone 5a	Mar 20th	Jul 3rd	Sep 1st – Sep 30th
Zone 5b	Mar 16th	Jun 29th	Aug 28th – Oct 5th
Zone 6a	Mar 13th	Jun 26th	Aug 25th – Oct 10th
Zone 6b	Mar 7th	Jun 20th	Aug 19th – Oct 16th
Zone 7a	Mar 2nd	Jun 15th	Aug 14th – Oct 20th
Zone 7b	Feb 20th	Jun 5th	Aug 4th – Oct 28th
Zone 8a	Feb 11th	May 27th	Jul 26th – Nov 5th
Zone 8b	Feb 2nd	May 18th	Jul 17th – Nov 12th
Zone 9a	Jan 16th	May 1st	Jun 30th – Nov 26th
Zone 9b	Dec 22nd	Apr 6th	Jun 5th – Dec 9th
Zone 10a	Continuous Production
Zone 10b	Continuous Production
Zone 11a	Continuous Production
Zone 11b	Continuous Production
Zone 12a	Continuous Production
Zone 12b	Continuous Production
Zone 13a	Continuous Production
Zone 13b	Continuous Production

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Indeterminate
Support Needed	Stake
Planting Depth	Deep
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	9

Culinary Notes

Chef's Note

These little guys bring a crisp, salad-ready bite with a high sweet-tart hit—exactly the kind of tomato that stays toothsome when dressed, not watery. Roast or blister them briefly and they throw off caramel-leaning sweetness while keeping their juicy structure for a glossy finish.

Best Uses

vineside snacking and lunchbox poppers (they hold shape and texture)
tossed tomato salads with a bright vinaigrette to emphasize the tangy snap
quick hot-pan blistering or roasting to push caramelized edges without turning mushy
skewer-and-glaze applications where their small size roasts evenly

Flavor Profile

sweet-tart snap juicy, tender bite salad-crisp firmness caramel-adjacent sweetness when roasted

Kitchen Pairings

olive oil balsamic vinegar garlic fresh mozzarella burrata herbaceous green seasoning like tarragon

Frequently Asked Questions

How do I manage powdery mildew on Amethyst Jewel (60-day) eggplant when I see white dusting on leaves?

Powdery mildew on eggplant shows up as gray-white powdery patches that spread across leaf surfaces. Remove the worst affected leaves immediately to slow spread, then spray with a sulfur-based fungicide labeled for eggplant and repeat according to the label (often every 7–10 days). Improve airflow by spacing plants and watering the soil only (not the leaves) so foliage dries quickly.

How often should I water Amethyst Jewel during the main growing phase to keep fruit setting healthy?

From transplanting through fruit set, water deeply about 1–2 times per week, aiming for consistently moist soil 2–3 inches down (more often in heat, less in cool weather). If the top inch of soil is dry, water; if it stays wet or soggy, cut back to prevent stress-related blossom drop and root problems. Use a soaker hose or drip line to keep water off the leaves.

How can I tell when Amethyst Jewel is ready to harvest at about 60 days?

Harvest when fruits are fully colored (deep purple) and firm, typically around 7–8 inches long with a glossy skin and minimal give when gently pressed. Do not wait for them to get dull or start feeling soft—overripe eggplant can turn seedy and bitter. Use pruning shears to cut the fruit with a short stem to avoid tearing the plant.