Celebrity Tomato in Zone 7A β Mountain West
Solanum lycopersicum 'Celebrity' Β· Your Complete 2026 Planting Guide
Planning Ahead β Great!
Youβre ahead of the season. Hereβs when to start.
Mark Your Calendar
How to Plant Celebrity Tomato in Zone 7A β Mountain West
Here are all your options for getting celebrity tomato in the ground, from the easiest method to more advanced approaches.
Start Seeds Indoors
RecommendedMid March through early April
around March 23
Then transplant: Early May through early June
Start seeds 6-8 weeks before transplanting outdoors.
Buy Starts
Works WellEarly May through early June
around May 4
Plant purchased starts after last frost (April 20).
Direct Sow Seeds
ChallengingDirect sowing is not typical for Celebrity Tomato.
Transplant Outdoors
Timing InfoEarly May through early June
around May 4
Wait until nighttime temperatures stay above 50Β°F.
You have a nice window β no need to rush.
Overview
Celebrity Tomato is a fantastic choice for Mountain West gardens because it delivers a reliable crop of delicious, medium-large tomatoes. Its disease resistance, especially against common tomato problems, makes it a great pick for our climate, where the intense sun and cool nights actually enhance the flavor. Plus, it's versatile, perfect for slicing, sauces, or canning.
Our high altitude, intense sun, and short growing season present unique challenges, but Celebrity Tomato's relatively quick 70-day maturity makes it a winner. Starting seeds indoors gives you a head start to maximize production within our roughly 173-day growing season.
Starting Seeds Indoors
Starting your Celebrity Tomato seeds indoors in mid-March through early April is key to getting a jump on our short growing season. You have about a 3-week window. Use seed trays or small pots filled with a good seed-starting mix. Keep them warm (around 70-75Β°F) using a heat mat if needed, and provide plenty of light with grow lights.
Bottom watering is your friend here. Set the trays in a shallow container of water for a few minutes until the soil surface is moist. This prevents damping-off disease and encourages strong root growth. Remember, spring can be late in the Mountain West, so don't rush the process.
Transplanting Outdoors
Transplant your Celebrity Tomato seedlings outdoors from early May through early June, after the last frost danger has passed. Before you plant, harden them off by gradually exposing them to outdoor conditions for about a week. Start with an hour or two of shade and increase the time and sun exposure each day.
Space your plants 24-36 inches apart in a sunny spot with well-draining soil. Be prepared for unexpected late frosts β keep row covers handy to protect your young plants.
Watering Celebrity Tomato in Zone 7A (Mountain West)
Consistent moisture is vital for Celebrity Tomato production in our dry Mountain West climate. While the summer heat at altitude is moderate, our low humidity and minimal rainfall mean you need to be diligent. Aim to give your plants about 1-2 inches of water per week, especially during fruit development.
Use the "finger test" to check soil moisture β if the top 2 inches feel dry, it's time to water. Water deeply at the base of the plant to avoid wetting the leaves, which can still invite fungal issues despite our low humidity. Overhead watering also wastes water due to evaporation.
Signs of underwatering include wilting leaves and blossom end rot. Overwatering can lead to yellowing leaves and root rot. Mulching around your plants with straw or wood chips helps retain moisture and regulate soil temperature β a must in our intense sun.
Supporting Your Celebrity Tomato
Celebrity Tomato is a determinate variety, meaning it grows to a certain size and then focuses on fruit production. However, it can still get fairly large and needs support. Medium-height cages or sturdy stakes work well.
Install the support at planting time to avoid damaging the roots later. Gently tie the main stem to the stake as it grows, or guide the branches inside the cage. This prevents the heavy fruits from weighing down the plant and keeps them off the ground.
π§ͺFertilizing Celebrity Tomato
Feeding Schedule
Organic Fertilizer Options
Harvest Time
You can expect your first Celebrity Tomato harvest from mid-July through late August, about 70 days after transplanting. Look for medium-large, red fruits that are firm but have a slight give when gently squeezed.
To harvest, gently twist or cut the tomato from the vine, being careful not to damage the plant. Regular harvesting encourages continued production. As our early October frost approaches, harvest any remaining green tomatoes and bring them indoors to ripen. They'll ripen best in a single layer, not touching, in a cool, dark place.
Common Problems in Zone 7A (Mountain West)
Here are three common problems you might encounter with Celebrity Tomato in the Mountain West:
- Blossom Drop
- What it looks like: Flowers fall off without setting fruit. Small fruit yellows and drops. Plant looks healthy but produces no fruit.
- What causes it: Temperature stress is the biggest culprit in our Mountain climate. Nights that stay above 75Β°F or days exceeding 95Β°F can prevent fruit set. Low humidity and poor pollination can also contribute.
- How to fix/prevent it: Be patient β fruit set usually resumes when temperatures moderate. Provide afternoon shade during extreme heat. Keep plants well-watered. Avoid excess nitrogen. Gently shake the plant to encourage pollination.
- Hornworms
- What it looks like: Large sections of leaves stripped overnight. Large (up to 4 inches) green caterpillars with white diagonal stripes. Dark droppings on leaves below.
- What causes it: Hawk moth larvae. Eggs are laid on tomato family plants, and the caterpillars feed voraciously.
- How to fix/prevent it: Handpick the hornworms (they don't bite). Bt (Bacillus thuringiensis) spray is effective and organic. Check your plants regularly.
- Early Blight
- What it looks like: Brown spots with concentric rings (target or bullseye pattern) on lower leaves first, spreading upward. Leaves yellow and drop.
- What causes it: Fungal disease (Alternaria solani) that thrives in warm conditions. It spreads via soil splash onto lower leaves.
- How to fix/prevent it: Remove and destroy affected leaves (don't compost). Mulch to prevent soil splash. Water at the base, not overhead. Improve air circulation through spacing and pruning. Copper fungicide slows spread. Rotate crops yearly.
Mountain West Specific Challenges: Our high altitude, intense UV, and dry climate can exacerbate these problems. Intense sun can cause blossom drop. Low humidity might make you think you don't need to worry about blight, but even a little soil splash can spread the spores. Be vigilant and address issues quickly.
Best Companions for Celebrity Tomato
Plant these nearby for healthier Celebrity Tomato and better harvests.
View Full Companion Planting Chart →Companion Planting Details
Companion planting can really help your Celebrity Tomatoes thrive in our Mountain gardens. Basil is a classic companion, improving tomato flavor and deterring pests. Carrots loosen the soil and may repel nematodes. Parsley attracts beneficial insects. French marigolds are great at keeping nematodes away and generally improving soil health.
Avoid planting brassicas (like cabbage and broccoli) near your tomatoes, as they compete for nutrients. Fennel inhibits the growth of many plants, including tomatoes. Corn can shade your tomatoes too much, which isn't ideal in our short season.
πΈBest Flowers to Plant with Celebrity Tomato
These flowers protect your Celebrity Tomato from pests and attract pollinators for better harvests.
For Pest Control
Get a Reminder When It's Time to Plant
We'll email you when key planting windows open for your zone.