I keep my seeds stock current. There is no guarantee on the seed germination because seed germination doesn't depend on seeds quality only. they require user experience, perfect temperature, proper watering. so i am selling my seeds as is with no guarantee. 
Marglobe Tomato Seeds | NON-GMO | 50+ Seeds| Fast shipping | Determinate. Non-GMO. Open Pollinated. Marglobe tomato seeds produce a well-known heirloom variety, that has been around for more than a century. Marglobe tomato seed develop to be wilt resistant, and produce a beautiful round red tomato. They are tall, healthy productive plants, with a delicious flavor. Marglobe tomato seeds are a warm weather crop best if started indoors about 6-8 weeks prior to final spring frost. Plant 2-3 tomato seeds 1/4" deep per cell in fertile, humusy, and well-drained soil with a pH of 6.0-6.8. Tomato seeds germinate in 5-14 days, transplant best starts to 1 per pot or 18-36" apart in the garden. Ideal in container gardening. Marglobe Tomatoes are a disease and crack resistant heirloom variety which are a good producer of 7 to 10 ounce deep red juicy fruits. Superb tasting fruit.

**When to plant:**

* In most areas, the best time to plant tomatoes is in late spring or early summer, when the soil has warmed up to at least 60 degrees Fahrenheit.

* If you live in a warm climate, you may be able to plant tomatoes in the spring or even the fall.

**Where to plant:**

* Tomatoes need at least 6-8 hours of full sun per day.

* Choose a spot in your garden that is well-drained and has rich, loamy soil.

* If your soil is sandy or clayey, you may need to amend it with compost or other organic matter.

**How to plant:**

1. Prepare the soil by digging a hole that is twice as wide as the root ball of the tomato plant.

2. Gently loosen the soil at the bottom of the hole.

3. Place the tomato plant in the hole so that the top of the root ball is level with the soil surface.

4. Backfill the hole with soil, tamping it down gently.

5. Water the plant thoroughly.

**Supporting tomato plants:**

* Most tomato plants will need some kind of support to keep them upright.

* You can use stakes, cages, or trellises.

* Staking is the simplest method, but it can be difficult to keep the stakes in place in windy conditions.

* Cages and trellises are more effective at supporting tomato plants, but they can be more difficult to set up.

**Fertilizing tomato plants:**

* Tomatoes need regular fertilization to produce a bountiful harvest.

* You can use a balanced fertilizer, such as 10-10-10, or a fertilizer specifically designed for tomatoes.

* Fertilize your tomato plants every 4-6 weeks throughout the growing season.

**Watering tomato plants:**

* Tomatoes need regular watering, especially during hot, dry weather.

* Water your tomato plants deeply, so that the water reaches the roots.

* Don't water your tomato plants too often, as this can lead to root rot.

**Harvesting tomato fruits:**

* Tomatoes are ready to harvest when they are firm and red.

* You can pick tomatoes when they are still slightly green, but they will taste better if they are allowed to ripen fully on the vine.

**Troubleshooting:**

* If your tomato plants are not producing fruit, it may be because they are not getting enough sun, water, or fertilizer.

* If your tomato plants are getting brown spots on the leaves, it may be a sign of a fungal disease.

* If your tomato plants are not producing healthy fruit, it may be because they are being attacked by pests, such as aphids or whiteflies.

I hope these instructions help you plant and grow healthy tomato plants!